40861802432 has 56 divisors (see below), whose sum is σ = 88505672112. Its totient is φ = 18563225600.

The previous prime is 40861802419. The next prime is 40861802447. The reversal of 40861802432 is 23420816804.

It is a super-2 number, since 2×40861802432² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331582 + ... + 1361922.

Almost surely, 2^40861802432 is an apocalyptic number.

It is an amenable number.

40861802432 is an abundant number, since it is smaller than the sum of its proper divisors (47643869680).

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

40861802432 is a wasteful number, since it uses less digits than its factorization.

40861802432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32277 (or 32267 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 40861802432 in words is "forty billion, eight hundred sixty-one million, eight hundred two thousand, four hundred thirty-two".