44325994581729 has 225 divisors, whose sum is σ = 79983119460321. Its totient is φ = 24461737942320.

The previous prime is 44325994581697. The next prime is 44325994581797. The reversal of 44325994581729 is 92718549952344.

The square root of 44325994581729 is 6657777.

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

44325994581729 is a `hidden beast` number, since 4 + 4 + 3 + 2 + 599 + 4 + 5 + 8 + 1 + 7 + 29 = 666.

It is not a de Polignac number, because 44325994581729 - 2⁵ = 44325994581697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44325994581929) by changing a digit.

It is a polite number, since it can be written in 224 ways as a sum of consecutive naturals, for example, 91018469124 + ... + 91018469610.

Almost surely, 2^{44325994581729} is an apocalyptic number.

44325994581729 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

44325994581729 is the 6657777-th square number.

44325994581729 is the 3328889-th centered octagonal number.

It is an amenable number.

44325994581729 is a deficient number, since it is larger than the sum of its proper divisors (35657124878592).

44325994581729 is an frugal number, since it uses more digits than its factorization.

44325994581729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 528 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 72.

The spelling of 44325994581729 in words is "forty-four trillion, three hundred twenty-five billion, nine hundred ninety-four million, five hundred eighty-one thousand, seven hundred twenty-nine".