44238536457 has 4 divisors (see below), whose sum is σ = 58984715280. Its totient is φ = 29492357636.

The previous prime is 44238536389. The next prime is 44238536519. The reversal of 44238536457 is 75463583244.

44238536457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44238536457 - 2¹⁰ = 44238535433 is a prime.

It is a super-2 number, since 2×44238536457² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44238535457) 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, 7373089407 + ... + 7373089412.

It is an arithmetic number, because the mean of its divisors is an integer number (14746178820).

Almost surely, 2^44238536457 is an apocalyptic number.

It is an amenable number.

44238536457 is a deficient number, since it is larger than the sum of its proper divisors (14746178823).

44238536457 is a wasteful number, since it uses less digits than its factorization.

44238536457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14746178822.

The product of its digits is 9676800, while the sum is 51.

The spelling of 44238536457 in words is "forty-four billion, two hundred thirty-eight million, five hundred thirty-six thousand, four hundred fifty-seven".