214925888540 has 24 divisors (see below), whose sum is σ = 492375672432. Its totient is φ = 78154868480.

The previous prime is 214925888539. The next prime is 214925888557. The reversal of 214925888540 is 45888529412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488467709 + ... + 488468148.

It is an arithmetic number, because the mean of its divisors is an integer number (20515653018).

Almost surely, 2^214925888540 is an apocalyptic number.

214925888540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214925888540 is an abundant number, since it is smaller than the sum of its proper divisors (277449783892).

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

214925888540 is a wasteful number, since it uses less digits than its factorization.

214925888540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976935877 (or 976935875 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 56.

The spelling of 214925888540 in words is "two hundred fourteen billion, nine hundred twenty-five million, eight hundred eighty-eight thousand, five hundred forty".