44289647655 has 16 divisors (see below), whose sum is σ = 77305567104. Its totient is φ = 21473768480.

The previous prime is 44289647609. The next prime is 44289647671. The reversal of 44289647655 is 55674698244.

It is a happy number.

It is not a de Polignac number, because 44289647655 - 2⁸ = 44289647399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134210889 + ... + 134211218.

It is an arithmetic number, because the mean of its divisors is an integer number (4831597944).

Almost surely, 2^44289647655 is an apocalyptic number.

44289647655 is a deficient number, since it is larger than the sum of its proper divisors (33015919449).

44289647655 is a wasteful number, since it uses less digits than its factorization.

44289647655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268422126.

The product of its digits is 58060800, while the sum is 60.

The spelling of 44289647655 in words is "forty-four billion, two hundred eighty-nine million, six hundred forty-seven thousand, six hundred fifty-five".