231892915999240 has 64 divisors (see below), whose sum is σ = 529117813157760. Its totient is φ = 91448993341440.

The previous prime is 231892915999211. The next prime is 231892915999243. The reversal of 231892915999240 is 42999519298132.

It is not an unprimeable number, because it can be changed into a prime (231892915999243) 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, 154507464 + ... + 156001096.

It is an arithmetic number, because the mean of its divisors is an integer number (8267465830590).

Almost surely, 2^{231892915999240} is an apocalyptic number.

231892915999240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231892915999240 is an abundant number, since it is smaller than the sum of its proper divisors (297224897158520).

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

231892915999240 is a wasteful number, since it uses less digits than its factorization.

231892915999240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548382 (or 1548378 counting only the distinct ones).

The product of its (nonzero) digits is 226748160, while the sum is 73.

The spelling of 231892915999240 in words is "two hundred thirty-one trillion, eight hundred ninety-two billion, nine hundred fifteen million, nine hundred ninety-nine thousand, two hundred forty".