40731560155 has 32 divisors (see below), whose sum is σ = 58758416640. Its totient is φ = 26708330880.

The previous prime is 40731560147. The next prime is 40731560161. The reversal of 40731560155 is 55106513704.

It is not a de Polignac number, because 40731560155 - 2³ = 40731560147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 631665 + ... + 693154.

It is an arithmetic number, because the mean of its divisors is an integer number (1836200520).

Almost surely, 2^40731560155 is an apocalyptic number.

40731560155 is a deficient number, since it is larger than the sum of its proper divisors (18026856485).

40731560155 is a wasteful number, since it uses less digits than its factorization.

40731560155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324891.

The product of its (nonzero) digits is 63000, while the sum is 37.

The spelling of 40731560155 in words is "forty billion, seven hundred thirty-one million, five hundred sixty thousand, one hundred fifty-five".