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40074469172 = 221719311576373
BaseRepresentation
bin100101010100100111…
…111101111100110100
310211102212011221222222
4211110213331330310
51124033031003142
630224314541512
72616040240043
oct452447757464
9124385157888
1040074469172
1115aa4aa1911
127924a37898
133a1862736a
141d2243455a
1510982e6bd2
hex9549fdf34

40074469172 has 96 divisors (see below), whose sum is σ = 81211898880. Its totient is φ = 17176872960.

The previous prime is 40074469139. The next prime is 40074469177. The reversal of 40074469172 is 27196447004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40074469177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6284978 + ... + 6291350.

It is an arithmetic number, because the mean of its divisors is an integer number (845957280).

Almost surely, 240074469172 is an apocalyptic number.

It is an amenable number.

40074469172 is an abundant number, since it is smaller than the sum of its proper divisors (41137429708).

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

40074469172 is a wasteful number, since it uses less digits than its factorization.

40074469172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6601 (or 6599 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 40074469172 in words is "forty billion, seventy-four million, four hundred sixty-nine thousand, one hundred seventy-two".

Divisors: 1 2 4 17 19 31 34 38 62 68 76 124 157 314 323 527 589 628 646 1054 1178 1292 2108 2356 2669 2983 4867 5338 5966 6373 9734 10013 10676 11932 12746 19468 20026 25492 40052 50711 82739 92473 101422 108341 121087 165478 184946 197563 202844 216682 242174 330956 369892 395126 433364 484348 790252 1000561 1572041 2001122 2058479 3144082 3358571 3753697 4002244 4116958 6288164 6717142 7507394 8233916 13434284 15014788 17009537 19010659 31017391 34019074 38021318 62034782 63812849 68038148 76042636 124069564 127625698 255251396 323181203 527295647 589330429 646362406 1054591294 1178660858 1292724812 2109182588 2357321716 10018617293 20037234586 40074469172