40031005332 has 12 divisors (see below), whose sum is σ = 93405679136. Its totient is φ = 13343668440.

The previous prime is 40031005321. The next prime is 40031005363. The reversal of 40031005332 is 23350013004.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×40031005332² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40031005299 and 40031005308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667958544 + ... + 1667958567.

Almost surely, 2^40031005332 is an apocalyptic number.

It is an amenable number.

40031005332 is an abundant number, since it is smaller than the sum of its proper divisors (53374673804).

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

40031005332 is a wasteful number, since it uses less digits than its factorization.

40031005332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335917118 (or 3335917116 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

Adding to 40031005332 its reverse (23350013004), we get a palindrome (63381018336).

The spelling of 40031005332 in words is "forty billion, thirty-one million, five thousand, three hundred thirty-two".