2656283220 has 240 divisors, whose sum is σ = 8834548800. Its totient is φ = 666247680.

The previous prime is 2656283219. The next prime is 2656283251. The reversal of 2656283220 is 223826562.

2656283220 is a `hidden beast` number, since 2 + 6 + 5 + 628 + 3 + 2 + 20 = 666.

2656283220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6494376 + ... + 6494784.

It is an arithmetic number, because the mean of its divisors is an integer number (36810620).

Almost surely, 2^2656283220 is an apocalyptic number.

2656283220 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 2656283220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4417274400).

2656283220 is an abundant number, since it is smaller than the sum of its proper divisors (6178265580).

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

2656283220 is a wasteful number, since it uses less digits than its factorization.

2656283220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660 (or 649 counting only the distinct ones).

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

The square root of 2656283220 is about 51539.1426005517. The cubic root of 2656283220 is about 1384.9203375747.

The spelling of 2656283220 in words is "two billion, six hundred fifty-six million, two hundred eighty-three thousand, two hundred twenty".