40844800400 has 60 divisors (see below), whose sum is σ = 98149497792. Its totient is φ = 16334613120.

The previous prime is 40844800391. The next prime is 40844800421. The reversal of 40844800400 is 400844804.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3260549 + ... + 3273051.

Almost surely, 2^40844800400 is an apocalyptic number.

40844800400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40844800400 is an abundant number, since it is smaller than the sum of its proper divisors (57304697392).

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

40844800400 is a wasteful number, since it uses less digits than its factorization.

40844800400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20688 (or 20677 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The spelling of 40844800400 in words is "forty billion, eight hundred forty-four million, eight hundred thousand, four hundred".