44444555556 has 48 divisors (see below), whose sum is σ = 104518176000. Its totient is φ = 14698675872.

The previous prime is 44444555497. The next prime is 44444555599. The reversal of 44444555556 is 65555544444.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 44444555499 and 44444555508.

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, 2826091 + ... + 2841773.

It is an arithmetic number, because the mean of its divisors is an integer number (2177462000).

Almost surely, 2^44444555556 is an apocalyptic number.

44444555556 is the 133334-th centered pentagonal number.

It is an amenable number.

44444555556 is an abundant number, since it is smaller than the sum of its proper divisors (60073620444).

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

44444555556 is a wasteful number, since it uses less digits than its factorization.

44444555556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17528 (or 17526 counting only the distinct ones).

The product of its digits is 19200000, while the sum is 51.

The spelling of 44444555556 in words is "forty-four billion, four hundred forty-four million, five hundred fifty-five thousand, five hundred fifty-six".