44159478575 has 12 divisors (see below), whose sum is σ = 54760573968. Its totient is φ = 35325763200.

The previous prime is 44159478563. The next prime is 44159478581. The reversal of 44159478575 is 57587495144.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-44159478575 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 670574 + ... + 733476.

It is an arithmetic number, because the mean of its divisors is an integer number (4563381164).

Almost surely, 2^44159478575 is an apocalyptic number.

44159478575 is a deficient number, since it is larger than the sum of its proper divisors (10601095393).

44159478575 is a wasteful number, since it uses less digits than its factorization.

44159478575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90994 (or 90989 counting only the distinct ones).

The product of its digits is 28224000, while the sum is 59.

The spelling of 44159478575 in words is "forty-four billion, one hundred fifty-nine million, four hundred seventy-eight thousand, five hundred seventy-five".