555131400400 has 60 divisors (see below), whose sum is σ = 1334165402592. Its totient is φ = 221975605120.

The previous prime is 555131400353. The next prime is 555131400427. The reversal of 555131400400 is 4004131555.

It is a congruent number.

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, 922167 + ... + 1400233.

Almost surely, 2^555131400400 is an apocalyptic number.

555131400400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

555131400400 is an abundant number, since it is smaller than the sum of its proper divisors (779034002192).

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

555131400400 is a wasteful number, since it uses less digits than its factorization.

555131400400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480988 (or 480977 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 555131400400 its reverse (4004131555), we get a palindrome (559135531955).

The spelling of 555131400400 in words is "five hundred fifty-five billion, one hundred thirty-one million, four hundred thousand, four hundred".