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40154055676 = 22723753104471
BaseRepresentation
bin100101011001010111…
…100100001111111100
310211122101221101011021
4211121113210033330
51124213414240201
630240240433524
72621024561500
oct453127441774
9124571841137
1040154055676
1116035a10389
1279476188a4
133a2bc71477
141d2cc30300
1510a02b7ea1
hex9595e43fc

40154055676 has 72 divisors (see below), whose sum is σ = 85536241056. Its totient is φ = 16427698560.

The previous prime is 40154055673. The next prime is 40154055677. The reversal of 40154055676 is 67655045104.

It is a super-2 number, since 2×401540556762 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40154055671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332121 + ... + 436591.

It is an arithmetic number, because the mean of its divisors is an integer number (1188003348).

Almost surely, 240154055676 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40154055676, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42768120528).

40154055676 is an abundant number, since it is smaller than the sum of its proper divisors (45382185380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40154055676 is a wasteful number, since it uses less digits than its factorization.

40154055676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104579 (or 104570 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 40154055676 in words is "forty billion, one hundred fifty-four million, fifty-five thousand, six hundred seventy-six".

Divisors: 1 2 4 7 14 28 37 49 53 74 98 106 148 196 212 259 371 518 742 1036 1484 1813 1961 2597 3626 3922 5194 7252 7844 10388 13727 27454 54908 96089 104471 192178 208942 384356 417884 731297 1462594 2925188 3865427 5119079 5536963 7730854 10238158 11073926 15461708 20476316 22147852 27057989 38758741 54115978 77517482 108231956 155034964 189405923 204867631 271311187 378811846 409735262 542622374 757623692 819470524 1085244748 1434073417 2868146834 5736293668 10038513919 20077027838 40154055676