40940439632 has 20 divisors (see below), whose sum is σ = 79330490976. Its totient is φ = 20468054880.

The previous prime is 40940439629. The next prime is 40940439679. The reversal of 40940439632 is 23693404904.

It is a super-2 number, since 2×40940439632² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 26573 + ... + 287379.

Almost surely, 2^40940439632 is an apocalyptic number.

It is an amenable number.

40940439632 is a deficient number, since it is larger than the sum of its proper divisors (38390051344).

40940439632 is a wasteful number, since it uses less digits than its factorization.

40940439632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270626 (or 270620 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 40940439632 in words is "forty billion, nine hundred forty million, four hundred thirty-nine thousand, six hundred thirty-two".