40031023232 has 32 divisors (see below), whose sum is σ = 79778138220. Its totient is φ = 20008274944.

The previous prime is 40031023229. The next prime is 40031023267. The reversal of 40031023232 is 23232013004.

It can be written as a sum of positive squares in 2 ways, for example, as 40022403136 + 8620096 = 200056^2 + 2936^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308018 + ... + 418254.

Almost surely, 2^40031023232 is an apocalyptic number.

It is an amenable number.

40031023232 is a deficient number, since it is larger than the sum of its proper divisors (39747114988).

40031023232 is a wasteful number, since it uses less digits than its factorization.

40031023232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113088 (or 113076 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 40031023232 its reverse (23232013004), we get a palindrome (63263036236).

The spelling of 40031023232 in words is "forty billion, thirty-one million, twenty-three thousand, two hundred thirty-two".