656823048 has 128 divisors (see below), whose sum is σ = 1942944000. Its totient is φ = 184923648.

The previous prime is 656823047. The next prime is 656823053. The reversal of 656823048 is 840328656.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (656823047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 600390 + ... + 601482.

It is an arithmetic number, because the mean of its divisors is an integer number (15179250).

Almost surely, 2^656823048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 656823048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (971472000).

656823048 is an abundant number, since it is smaller than the sum of its proper divisors (1286120952).

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

656823048 is a wasteful number, since it uses less digits than its factorization.

656823048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 656823048 is about 25628.5592259885. The cubic root of 656823048 is about 869.2595311394.

The spelling of 656823048 in words is "six hundred fifty-six million, eight hundred twenty-three thousand, forty-eight".