2656350720 has 160 divisors (see below), whose sum is σ = 9435824640. Its totient is φ = 708341760.

The previous prime is 2656350709. The next prime is 2656350737. The reversal of 2656350720 is 270536562.

It is a happy number.

2656350720 is a `hidden beast` number, since 26 + 563 + 5 + 0 + 72 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (160).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49905 + ... + 88335.

It is an arithmetic number, because the mean of its divisors is an integer number (58973904).

Almost surely, 2^2656350720 is an apocalyptic number.

2656350720 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 2656350720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4717912320).

2656350720 is an abundant number, since it is smaller than the sum of its proper divisors (6779473920).

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

2656350720 is an equidigital number, since it uses as much as digits as its factorization.

2656350720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38463 (or 38441 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 2656350720 is about 51539.7974384844. The cubic root of 2656350720 is about 1384.9320684185.

The spelling of 2656350720 in words is "two billion, six hundred fifty-six million, three hundred fifty thousand, seven hundred twenty".