213752331840 has 112 divisors (see below), whose sum is σ = 683546552640. Its totient is φ = 56590510080.

The previous prime is 213752331797. The next prime is 213752331847. The reversal of 213752331840 is 48133257312.

It is not an unprimeable number, because it can be changed into a prime (213752331847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667491 + ... + 934370.

It is an arithmetic number, because the mean of its divisors is an integer number (6103094220).

Almost surely, 2^213752331840 is an apocalyptic number.

213752331840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213752331840 is an abundant number, since it is smaller than the sum of its proper divisors (469794220800).

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

213752331840 is a wasteful number, since it uses less digits than its factorization.

213752331840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602020 (or 1602010 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 213752331840 in words is "two hundred thirteen billion, seven hundred fifty-two million, three hundred thirty-one thousand, eight hundred forty".