7455224681256 has 64 divisors (see below), whose sum is σ = 20635900116480. Its totient is φ = 2225440198080.

The previous prime is 7455224681209. The next prime is 7455224681269. The reversal of 7455224681256 is 6521864225547.

It is a junction number, because it is equal to n+sod(n) for n = 7455224681196 and 7455224681205.

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, 210724756 + ... + 210760131.

It is an arithmetic number, because the mean of its divisors is an integer number (322435939320).

Almost surely, 2^{7455224681256} is an apocalyptic number.

It is an amenable number.

7455224681256 is an abundant number, since it is smaller than the sum of its proper divisors (13180675435224).

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

7455224681256 is a wasteful number, since it uses less digits than its factorization.

7455224681256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421484974 (or 421484970 counting only the distinct ones).

The product of its digits is 32256000, while the sum is 57.

The spelling of 7455224681256 in words is "seven trillion, four hundred fifty-five billion, two hundred twenty-four million, six hundred eighty-one thousand, two hundred fifty-six".