40032443422400 has 168 divisors, whose sum is σ = 115725956075184. Its totient is φ = 13437463449600.

The previous prime is 40032443422273. The next prime is 40032443422427. The reversal of 40032443422400 is 422434423004.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87254687 + ... + 87712286.

It is an arithmetic number, because the mean of its divisors is an integer number (688844976638).

Almost surely, 2^{40032443422400} is an apocalyptic number.

40032443422400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40032443422400 is an abundant number, since it is smaller than the sum of its proper divisors (75693512652784).

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

40032443422400 is a wasteful number, since it uses less digits than its factorization.

40032443422400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174967019 (or 174967004 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 40032443422400 its reverse (422434423004), we get a palindrome (40454877845404).

The spelling of 40032443422400 in words is "forty trillion, thirty-two billion, four hundred forty-three million, four hundred twenty-two thousand, four hundred".