44889625520 has 20 divisors (see below), whose sum is σ = 104368379520. Its totient is φ = 17955850176.

The previous prime is 44889625489. The next prime is 44889625531. The reversal of 44889625520 is 2552698844.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280560080 + ... + 280560239.

It is an arithmetic number, because the mean of its divisors is an integer number (5218418976).

Almost surely, 2^44889625520 is an apocalyptic number.

44889625520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44889625520 is an abundant number, since it is smaller than the sum of its proper divisors (59478754000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44889625520 is a wasteful number, since it uses less digits than its factorization.

44889625520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561120332 (or 561120326 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 44889625520 in words is "forty-four billion, eight hundred eighty-nine million, six hundred twenty-five thousand, five hundred twenty".