7444814852225 has 72 divisors (see below), whose sum is σ = 10189069602600. Its totient is φ = 5388545433600.

The previous prime is 7444814852207. The next prime is 7444814852239. The reversal of 7444814852225 is 5222584184447.

It can be written as a sum of positive squares in 36 ways, for example, as 2486604148609 + 4958210703616 = 1576897^2 + 2226704^2 .

It is not a de Polignac number, because 7444814852225 - 2¹² = 7444814848129 is a prime.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 47903645 + ... + 48058805.

Almost surely, 2^{7444814852225} is an apocalyptic number.

It is an amenable number.

7444814852225 is a deficient number, since it is larger than the sum of its proper divisors (2744254750375).

7444814852225 is a wasteful number, since it uses less digits than its factorization.

7444814852225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155463 (or 155441 counting only the distinct ones).

The product of its digits is 22937600, while the sum is 56.

The spelling of 7444814852225 in words is "seven trillion, four hundred forty-four billion, eight hundred fourteen million, eight hundred fifty-two thousand, two hundred twenty-five".