232664540 has 12 divisors (see below), whose sum is σ = 488595576. Its totient is φ = 93065808.

The previous prime is 232664513. The next prime is 232664587. The reversal of 232664540 is 45466232.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 232664497 and 232664506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5816594 + ... + 5816633.

It is an arithmetic number, because the mean of its divisors is an integer number (40716298).

Almost surely, 2^232664540 is an apocalyptic number.

232664540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232664540 is an abundant number, since it is smaller than the sum of its proper divisors (255931036).

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

232664540 is a wasteful number, since it uses less digits than its factorization.

232664540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11633236 (or 11633234 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 232664540 is about 15253.3452068718. The cubic root of 232664540 is about 615.0494947717.

It can be divided in two parts, 2326 and 64540, that added together give a palindrome (66866).

The spelling of 232664540 in words is "two hundred thirty-two million, six hundred sixty-four thousand, five hundred forty".