516335861400 has 48 divisors (see below), whose sum is σ = 1600641172200. Its totient is φ = 137689562880.

The previous prime is 516335861389. The next prime is 516335861401. The reversal of 516335861400 is 4168533615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516335861401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430279285 + ... + 430280484.

Almost surely, 2^516335861400 is an apocalyptic number.

516335861400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

516335861400 is an abundant number, since it is smaller than the sum of its proper divisors (1084305310800).

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

516335861400 is a wasteful number, since it uses less digits than its factorization.

516335861400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860559788 (or 860559779 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 516335861400 in words is "five hundred sixteen billion, three hundred thirty-five million, eight hundred sixty-one thousand, four hundred".