50131430400 has 132 divisors (see below), whose sum is σ = 165687242312. Its totient is φ = 13368360960.

The previous prime is 50131430389. The next prime is 50131430431. The reversal of 50131430400 is 403413105.

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, 249577 + ... + 403176.

Almost surely, 2^50131430400 is an apocalyptic number.

50131430400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50131430400 is an abundant number, since it is smaller than the sum of its proper divisors (115555811912).

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

50131430400 is a wasteful number, since it uses less digits than its factorization.

50131430400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652786 (or 652763 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 50131430400 its reverse (403413105), we get a palindrome (50534843505).

The spelling of 50131430400 in words is "fifty billion, one hundred thirty-one million, four hundred thirty thousand, four hundred".