232662640 has 40 divisors (see below), whose sum is σ = 618219360. Its totient is φ = 79769856.

The previous prime is 232662611. The next prime is 232662667. The reversal of 232662640 is 46266232.

It is a tau number, because it is divible by the number of its divisors (40).

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, 207175 + ... + 208294.

It is an arithmetic number, because the mean of its divisors is an integer number (15455484).

Almost surely, 2^232662640 is an apocalyptic number.

232662640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232662640 is an abundant number, since it is smaller than the sum of its proper divisors (385556720).

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

232662640 is a wasteful number, since it uses less digits than its factorization.

232662640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415489 (or 415483 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 232662640 is about 15253.2829253246. The cubic root of 232662640 is about 615.0478205484.

The spelling of 232662640 in words is "two hundred thirty-two million, six hundred sixty-two thousand, six hundred forty".