7481552256 has 64 divisors (see below), whose sum is σ = 22080980400. Its totient is φ = 2493849600.

The previous prime is 7481552249. The next prime is 7481552303. The reversal of 7481552256 is 6522551847.

7481552256 is a `hidden beast` number, since 7 + 48 + 1 + 552 + 2 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078945 + ... + 1085856.

Almost surely, 2^7481552256 is an apocalyptic number.

It is an amenable number.

7481552256 is an abundant number, since it is smaller than the sum of its proper divisors (14599428144).

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

7481552256 is a wasteful number, since it uses less digits than its factorization.

7481552256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164824 (or 2164806 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 7481552256 is about 86495.9667036562. The cubic root of 7481552256 is about 1955.8276034592.

The spelling of 7481552256 in words is "seven billion, four hundred eighty-one million, five hundred fifty-two thousand, two hundred fifty-six".