231055556460 has 24 divisors (see below), whose sum is σ = 646955558256. Its totient is φ = 61614815040.

The previous prime is 231055556393. The next prime is 231055556483. The reversal of 231055556460 is 64655550132.

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, 1925462911 + ... + 1925463030.

It is an arithmetic number, because the mean of its divisors is an integer number (26956481594).

Almost surely, 2^231055556460 is an apocalyptic number.

231055556460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231055556460 is an abundant number, since it is smaller than the sum of its proper divisors (415900001796).

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

231055556460 is a wasteful number, since it uses less digits than its factorization.

231055556460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850925953 (or 3850925951 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 231055556460 in words is "two hundred thirty-one billion, fifty-five million, five hundred fifty-six thousand, four hundred sixty".