214561685400 has 96 divisors (see below), whose sum is σ = 665283877440. Its totient is φ = 57204178560.

The previous prime is 214561685389. The next prime is 214561685441. The reversal of 214561685400 is 4586165412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2956347 + ... + 3028053.

It is an arithmetic number, because the mean of its divisors is an integer number (6930040390).

Almost surely, 2^214561685400 is an apocalyptic number.

214561685400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214561685400 is an abundant number, since it is smaller than the sum of its proper divisors (450722192040).

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

214561685400 is a wasteful number, since it uses less digits than its factorization.

214561685400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76713 (or 76704 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 214561685400 in words is "two hundred fourteen billion, five hundred sixty-one million, six hundred eighty-five thousand, four hundred".