232626540 has 96 divisors (see below), whose sum is σ = 668860416. Its totient is φ = 60386560.

The previous prime is 232626473. The next prime is 232626551. The reversal of 232626540 is 45626232.

It is a super-2 number, since 2×232626540² = 108230214224743200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 232626498 and 232626507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 607189 + ... + 607571.

It is an arithmetic number, because the mean of its divisors is an integer number (6967296).

Almost surely, 2^232626540 is an apocalyptic number.

232626540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232626540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334430208).

232626540 is an abundant number, since it is smaller than the sum of its proper divisors (436233876).

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

232626540 is a wasteful number, since it uses less digits than its factorization.

232626540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 232626540 is about 15252.0995276060. The cubic root of 232626540 is about 615.0160085726.

The spelling of 232626540 in words is "two hundred thirty-two million, six hundred twenty-six thousand, five hundred forty".