44421139526 has 8 divisors (see below), whose sum is σ = 66657836784. Its totient is φ = 22201860600.

The previous prime is 44421139481. The next prime is 44421139541. The reversal of 44421139526 is 62593112444.

44421139526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4348205 + ... + 4358408.

It is an arithmetic number, because the mean of its divisors is an integer number (8332229598).

Almost surely, 2^44421139526 is an apocalyptic number.

44421139526 is a deficient number, since it is larger than the sum of its proper divisors (22236697258).

44421139526 is a wasteful number, since it uses less digits than its factorization.

44421139526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8709166.

The product of its digits is 207360, while the sum is 41.

The spelling of 44421139526 in words is "forty-four billion, four hundred twenty-one million, one hundred thirty-nine thousand, five hundred twenty-six".