44992773225 has 81 divisors (see below), whose sum is σ = 82078583223. Its totient is φ = 23560037280.

The previous prime is 44992773157. The next prime is 44992773251. The reversal of 44992773225 is 52237729944.

It is a happy number.

The square root of 44992773225 is 212115.

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

44992773225 is a `hidden beast` number, since 4 + 49 + 9 + 277 + 322 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16197398361 + 28795374864 = 127269^2 + 169692^2 .

It is not a de Polignac number, because 44992773225 - 2⁷ = 44992773097 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 251356186 + ... + 251356364.

Almost surely, 2^44992773225 is an apocalyptic number.

44992773225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

44992773225 is the 212115-th square number.

44992773225 is the 106058-th centered octagonal number.

It is an amenable number.

44992773225 is a deficient number, since it is larger than the sum of its proper divisors (37085809998).

44992773225 is an equidigital number, since it uses as much as digits as its factorization.

44992773225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 266 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The spelling of 44992773225 in words is "forty-four billion, nine hundred ninety-two million, seven hundred seventy-three thousand, two hundred twenty-five".