232415520 has 96 divisors (see below), whose sum is σ = 734432832. Its totient is φ = 61780992.

The previous prime is 232415501. The next prime is 232415527. The reversal of 232415520 is 25514232.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (232415527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212094 + ... + 213186.

It is an arithmetic number, because the mean of its divisors is an integer number (7650342).

Almost surely, 2^232415520 is an apocalyptic number.

232415520 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 232415520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367216416).

232415520 is an abundant number, since it is smaller than the sum of its proper divisors (502017312).

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

232415520 is a wasteful number, since it uses less digits than its factorization.

232415520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 232415520 is about 15245.1802219587. The cubic root of 232415520 is about 614.8299880379.

Adding to 232415520 its reverse (25514232), we get a palindrome (257929752).

The spelling of 232415520 in words is "two hundred thirty-two million, four hundred fifteen thousand, five hundred twenty".