232656840 has 256 divisors, whose sum is σ = 850348800. Its totient is φ = 56236032.

The previous prime is 232656811. The next prime is 232656871. The reversal of 232656840 is 48656232.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 232656795 and 232656804.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1024807 + ... + 1025033.

It is an arithmetic number, because the mean of its divisors is an integer number (3321675).

Almost surely, 2^232656840 is an apocalyptic number.

232656840 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 232656840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425174400).

232656840 is an abundant number, since it is smaller than the sum of its proper divisors (617691960).

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

232656840 is a wasteful number, since it uses less digits than its factorization.

232656840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 232656840 is about 15253.0928011338. The cubic root of 232656840 is about 615.0427097049.

The spelling of 232656840 in words is "two hundred thirty-two million, six hundred fifty-six thousand, eight hundred forty".