656058480 has 320 divisors, whose sum is σ = 2564407296. Its totient is φ = 134784000.

The previous prime is 656058443. The next prime is 656058541. The reversal of 656058480 is 84850656.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2420745 + ... + 2421015.

Almost surely, 2^656058480 is an apocalyptic number.

656058480 is a gapful number since it is divisible by the number (60) 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 656058480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282203648).

656058480 is an abundant number, since it is smaller than the sum of its proper divisors (1908348816).

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

656058480 is a wasteful number, since it uses less digits than its factorization.

656058480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 656058480 is about 25613.6385544889. The cubic root of 656058480 is about 868.9221160285.

The spelling of 656058480 in words is "six hundred fifty-six million, fifty-eight thousand, four hundred eighty".