44578840838 has 32 divisors (see below), whose sum is σ = 78031641600. Its totient is φ = 19092683400.

The previous prime is 44578840829. The next prime is 44578840909. The reversal of 44578840838 is 83804887544.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1065413 + ... + 1106463.

It is an arithmetic number, because the mean of its divisors is an integer number (2438488800).

Almost surely, 2^44578840838 is an apocalyptic number.

44578840838 is a deficient number, since it is larger than the sum of its proper divisors (33452800762).

44578840838 is a wasteful number, since it uses less digits than its factorization.

44578840838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42657 (or 42643 counting only the distinct ones).

The product of its (nonzero) digits is 27525120, while the sum is 59.

The spelling of 44578840838 in words is "forty-four billion, five hundred seventy-eight million, eight hundred forty thousand, eight hundred thirty-eight".