40732931156 has 12 divisors (see below), whose sum is σ = 71644471668. Its totient is φ = 20263082112.

The previous prime is 40732931143. The next prime is 40732931179. The reversal of 40732931156 is 65113923704.

It can be written as a sum of positive squares in 2 ways, for example, as 28336335556 + 12396595600 = 168334^2 + 111340^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25844981 + ... + 25846556.

It is an arithmetic number, because the mean of its divisors is an integer number (5970372639).

Almost surely, 2^40732931156 is an apocalyptic number.

It is an amenable number.

40732931156 is a deficient number, since it is larger than the sum of its proper divisors (30911540512).

40732931156 is a wasteful number, since it uses less digits than its factorization.

40732931156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51691738 (or 51691736 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The spelling of 40732931156 in words is "forty billion, seven hundred thirty-two million, nine hundred thirty-one thousand, one hundred fifty-six".