2475128656 has 240 divisors, whose sum is σ = 6753317760. Its totient is φ = 847687680.

The previous prime is 2475128639. The next prime is 2475128681. The reversal of 2475128656 is 6568215742.

2475128656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2475128656² = 12252523727504732672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33905836 + ... + 33905908.

It is an arithmetic number, because the mean of its divisors is an integer number (28138824).

Almost surely, 2^2475128656 is an apocalyptic number.

2475128656 is a gapful number since it is divisible by the number (26) 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 2475128656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3376658880).

2475128656 is an abundant number, since it is smaller than the sum of its proper divisors (4278189104).

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

2475128656 is a wasteful number, since it uses less digits than its factorization.

2475128656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 135 counting only the distinct ones).

The product of its digits is 806400, while the sum is 46.

The square root of 2475128656 is about 49750.6648799792. The cubic root of 2475128656 is about 1352.6930523490.

It can be divided in two parts, 2475 and 128656, that added together give a palindrome (131131).

The spelling of 2475128656 in words is "two billion, four hundred seventy-five million, one hundred twenty-eight thousand, six hundred fifty-six".