44813561898 has 32 divisors (see below), whose sum is σ = 102479270400. Its totient is φ = 12797840880.

The previous prime is 44813561893. The next prime is 44813561957. The reversal of 44813561898 is 89816531844.

It is not an unprimeable number, because it can be changed into a prime (44813561893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160848 + ... + 339851.

It is an arithmetic number, because the mean of its divisors is an integer number (3202477200).

Almost surely, 2^44813561898 is an apocalyptic number.

44813561898 is an abundant number, since it is smaller than the sum of its proper divisors (57665708502).

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

44813561898 is a wasteful number, since it uses less digits than its factorization.

44813561898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502842.

The product of its digits is 6635520, while the sum is 57.

The spelling of 44813561898 in words is "forty-four billion, eight hundred thirteen million, five hundred sixty-one thousand, eight hundred ninety-eight".