51324202400 has 72 divisors (see below), whose sum is σ = 125326666080. Its totient is φ = 20524527360.

The previous prime is 51324202399. The next prime is 51324202417. The reversal of 51324202400 is 420242315.

It is a happy number.

51324202400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5770757 + ... + 5779643.

It is an arithmetic number, because the mean of its divisors is an integer number (1740648140).

Almost surely, 2^51324202400 is an apocalyptic number.

51324202400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51324202400 is an abundant number, since it is smaller than the sum of its proper divisors (74002463680).

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

51324202400 is a wasteful number, since it uses less digits than its factorization.

51324202400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16126 (or 16113 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 51324202400 its reverse (420242315), we get a palindrome (51744444715).

The spelling of 51324202400 in words is "fifty-one billion, three hundred twenty-four million, two hundred two thousand, four hundred".