33056400400 has 60 divisors (see below), whose sum is σ = 82870981632. Its totient is φ = 12647662720.

The previous prime is 33056400373. The next prime is 33056400413. The reversal of 33056400400 is 400465033.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1787344 + ... + 1805743.

Almost surely, 2^33056400400 is an apocalyptic number.

It is an amenable number.

33056400400 is an abundant number, since it is smaller than the sum of its proper divisors (49814581232).

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

33056400400 is a wasteful number, since it uses less digits than its factorization.

33056400400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593128 (or 3593117 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 33056400400 its reverse (400465033), we get a palindrome (33456865433).

The spelling of 33056400400 in words is "thirty-three billion, fifty-six million, four hundred thousand, four hundred".