40313232020400 has 60 divisors (see below), whose sum is σ = 129136719909192. Its totient is φ = 10750195205120.

The previous prime is 40313232020339. The next prime is 40313232020401. The reversal of 40313232020400 is 402023231304.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (40313232020401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16797178809 + ... + 16797181208.

Almost surely, 2^{40313232020400} is an apocalyptic number.

40313232020400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40313232020400 is an abundant number, since it is smaller than the sum of its proper divisors (88823487888792).

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

40313232020400 is a wasteful number, since it uses less digits than its factorization.

40313232020400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33594360038 (or 33594360027 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40313232020400 its reverse (402023231304), we get a palindrome (40715255251704).

The spelling of 40313232020400 in words is "forty trillion, three hundred thirteen billion, two hundred thirty-two million, twenty thousand, four hundred".