232944640 has 44 divisors (see below), whose sum is σ = 558806436. Its totient is φ = 93175808.

The previous prime is 232944629. The next prime is 232944703. The reversal of 232944640 is 46449232.

It can be written as a sum of positive squares in 2 ways, for example, as 59969536 + 172975104 = 7744^2 + 13152^2 .

It is a junction number, because it is equal to n+sod(n) for n = 232944596 and 232944605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17629 + ... + 27868.

Almost surely, 2^232944640 is an apocalyptic number.

232944640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232944640 is an abundant number, since it is smaller than the sum of its proper divisors (325861796).

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

232944640 is an equidigital number, since it uses as much as digits as its factorization.

232944640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45522 (or 45504 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 232944640 is about 15262.5240376551. The cubic root of 232944640 is about 615.2962108904.

The spelling of 232944640 in words is "two hundred thirty-two million, nine hundred forty-four thousand, six hundred forty".