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40154545425140 = 2253164765395847
BaseRepresentation
bin10010010000101001101010…
…11010101000101011110100
312021011201220022102001021022
421020110311122220223310
520230343002112101030
6221222424333040312
711313033032350226
oct1110246532505364
9167151808361238
1040154545425140
11118814a107a423
124606278026098
1319537327666a3
149cb6c17dc416
154997a28adde5
hex2485356a8af4

40154545425140 has 24 divisors (see below), whose sum is σ = 87044692019712. Its totient is φ = 15543695003040.

The previous prime is 40154545425133. The next prime is 40154545425143. The reversal of 40154545425140 is 4152454545104.

It is a super-2 number, since 2×401545454251402 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40154545425091 and 40154545425100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40154545425143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32382697304 + ... + 32382698543.

It is an arithmetic number, because the mean of its divisors is an integer number (3626862167488).

Almost surely, 240154545425140 is an apocalyptic number.

It is an amenable number.

40154545425140 is an abundant number, since it is smaller than the sum of its proper divisors (46890146594572).

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

40154545425140 is a wasteful number, since it uses less digits than its factorization.

40154545425140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64765395887 (or 64765395885 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 44.

The spelling of 40154545425140 in words is "forty trillion, one hundred fifty-four billion, five hundred forty-five million, four hundred twenty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 64765395847 129530791694 259061583388 323826979235 647653958470 1295307916940 2007727271257 4015454542514 8030909085028 10038636356285 20077272712570 40154545425140