7522256456 has 32 divisors (see below), whose sum is σ = 16570008000. Its totient is φ = 3156191040.

The previous prime is 7522256453. The next prime is 7522256461. The reversal of 7522256456 is 6546522257.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (7522256453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3286556 + ... + 3288843.

It is an arithmetic number, because the mean of its divisors is an integer number (517812750).

Almost surely, 2^7522256456 is an apocalyptic number.

It is an amenable number.

7522256456 is an abundant number, since it is smaller than the sum of its proper divisors (9047751544).

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

7522256456 is a wasteful number, since it uses less digits than its factorization.

7522256456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6575429 (or 6575425 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 44.

The square root of 7522256456 is about 86730.9428981376. The cubic root of 7522256456 is about 1959.3681546568.

The spelling of 7522256456 in words is "seven billion, five hundred twenty-two million, two hundred fifty-six thousand, four hundred fifty-six".