44577988225 has 9 divisors (see below), whose sum is σ = 55278014467. Its totient is φ = 35661546040.

The previous prime is 44577988207. The next prime is 44577988237. The reversal of 44577988225 is 52288977544.

It is a happy number.

The square root of 44577988225 is 211135.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 16048075761 + 28529912464 = 126681^2 + 168908^2 .

It is not a de Polignac number, because 44577988225 - 2⁷ = 44577988097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1034562 + ... + 1076788.

Almost surely, 2^44577988225 is an apocalyptic number.

44577988225 is the 211135-th square number.

44577988225 is the 105568-th centered octagonal number.

It is an amenable number.

44577988225 is a deficient number, since it is larger than the sum of its proper divisors (10700026242).

44577988225 is an frugal number, since it uses more digits than its factorization.

44577988225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84464 (or 42232 counting only the distinct ones).

The product of its digits is 45158400, while the sum is 61.

The spelling of 44577988225 in words is "forty-four billion, five hundred seventy-seven million, nine hundred eighty-eight thousand, two hundred twenty-five".