44253081985401 has 27 divisors (see below), whose sum is σ = 67463032678821. Its totient is φ = 27949075455384.

The previous prime is 44253081985241. The next prime is 44253081985423. The reversal of 44253081985401 is 10458918035244.

The square root of 44253081985401 is 6652299.

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

44253081985401 is a `hidden beast` number, since 4 + 4 + 2 + 5 + 3 + 0 + 8 + 1 + 98 + 540 + 1 = 666.

It is not a de Polignac number, because 44253081985401 - 2¹⁵ = 44253081952633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44253081985451) 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, 379122690 + ... + 379239396.

Almost surely, 2^{44253081985401} is an apocalyptic number.

44253081985401 is the 6652299-th square number.

44253081985401 is the 3326150-th centered octagonal number.

It is an amenable number.

44253081985401 is a deficient number, since it is larger than the sum of its proper divisors (23209950693420).

44253081985401 is an frugal number, since it uses more digits than its factorization.

44253081985401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233458 (or 116729 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 44253081985401 in words is "forty-four trillion, two hundred fifty-three billion, eighty-one million, nine hundred eighty-five thousand, four hundred one".