40400364008000 has 56 divisors (see below), whose sum is σ = 100051501485624. Its totient is φ = 16160145600000.

The previous prime is 40400364007999. The next prime is 40400364008027. The reversal of 40400364008000 is 80046300404.

It can be written as a sum of positive squares in 4 ways, for example, as 12202055004736 + 28198309003264 = 3493144^2 + 5310208^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2525014751 + ... + 2525030750.

Almost surely, 2^{40400364008000} is an apocalyptic number.

40400364008000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40400364008000 is an abundant number, since it is smaller than the sum of its proper divisors (59651137477624).

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

40400364008000 is an equidigital number, since it uses as much as digits as its factorization.

40400364008000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050045528 (or 5050045508 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 40400364008000 in words is "forty trillion, four hundred billion, three hundred sixty-four million, eight thousand".