44413360992225 has 27 divisors (see below), whose sum is σ = 79549443403833. Its totient is φ = 23687072547840.

The previous prime is 44413360992223. The next prime is 44413360992317. The reversal of 44413360992225 is 52229906331444.

It is a happy number.

The square root of 44413360992225 is 6664335.

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

44413360992225 is a `hidden beast` number, since 4 + 4 + 4 + 1 + 3 + 3 + 609 + 9 + 2 + 2 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 18797089184721 + 25616271807504 = 4335561^2 + 5061252^2 .

It is not a de Polignac number, because 44413360992225 - 2¹ = 44413360992223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44413360992223) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 99742881 + ... + 100187169.

Almost surely, 2^{44413360992225} is an apocalyptic number.

44413360992225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

44413360992225 is the 6664335-th square number.

44413360992225 is the 3332168-th centered octagonal number.

It is an amenable number.

44413360992225 is a deficient number, since it is larger than the sum of its proper divisors (35136082411608).

44413360992225 is an frugal number, since it uses more digits than its factorization.

44413360992225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888594 (or 444297 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 44413360992225 in words is "forty-four trillion, four hundred thirteen billion, three hundred sixty million, nine hundred ninety-two thousand, two hundred twenty-five".