44444556 has 72 divisors (see below), whose sum is σ = 126278880. Its totient is φ = 13077504.

The previous prime is 44444537. The next prime is 44444593. The reversal of 44444556 is 65544444.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 44444556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8700 + ... + 12828.

Almost surely, 2^44444556 is an apocalyptic number.

44444556 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44444556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63139440).

44444556 is an abundant number, since it is smaller than the sum of its proper divisors (81834324).

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

44444556 is a wasteful number, since it uses less digits than its factorization.

44444556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175 (or 4170 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

The square root of 44444556 is about 6666.6750333281. The cubic root of 44444556 is about 354.2198194243.

The spelling of 44444556 in words is "forty-four million, four hundred forty-four thousand, five hundred fifty-six".