44325637457 has 4 divisors (see below), whose sum is σ = 44607966516. Its totient is φ = 44043308400.

The previous prime is 44325637451. The next prime is 44325637459. The reversal of 44325637457 is 75473652344.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33375270721 + 10950366736 = 182689^2 + 104644^2 .

It is a cyclic number.

It is not a de Polignac number, because 44325637457 - 2⁴ = 44325637441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44325637451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141164294 + ... + 141164607.

It is an arithmetic number, because the mean of its divisors is an integer number (11151991629).

Almost surely, 2^44325637457 is an apocalyptic number.

It is an amenable number.

44325637457 is a deficient number, since it is larger than the sum of its proper divisors (282329059).

44325637457 is a wasteful number, since it uses less digits than its factorization.

44325637457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282329058.

The product of its digits is 8467200, while the sum is 50.

The spelling of 44325637457 in words is "forty-four billion, three hundred twenty-five million, six hundred thirty-seven thousand, four hundred fifty-seven".