40001032 has 16 divisors (see below), whose sum is σ = 75335760. Its totient is φ = 19911504.

The previous prime is 40001021. The next prime is 40001041. The reversal of 40001032 is 23010004.

It is a super-2 number, since 2×40001032² = 3200165122130048, which contains 22 as substring.

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, 9198 + ... + 12829.

It is an arithmetic number, because the mean of its divisors is an integer number (4708485).

Almost surely, 2^40001032 is an apocalyptic number.

It is an amenable number.

40001032 is a deficient number, since it is larger than the sum of its proper divisors (35334728).

40001032 is a wasteful number, since it uses less digits than its factorization.

40001032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22260 (or 22256 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 40001032 is about 6324.6369065742. The cubic root of 40001032 is about 341.9981304687.

Adding to 40001032 its reverse (23010004), we get a palindrome (63011036).

The spelling of 40001032 in words is "forty million, one thousand, thirty-two".