44423616 has 56 divisors (see below), whose sum is σ = 119495824. Its totient is φ = 14561280.

The previous prime is 44423581. The next prime is 44423627. The reversal of 44423616 is 61632444.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9816 + ... + 13608.

It is an arithmetic number, because the mean of its divisors is an integer number (2133854).

Almost surely, 2^44423616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44423616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59747912).

44423616 is an abundant number, since it is smaller than the sum of its proper divisors (75072208).

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

44423616 is a wasteful number, since it uses less digits than its factorization.

44423616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3869 (or 3859 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 44423616 is about 6665.1043502709. The cubic root of 44423616 is about 354.1641806023.

It can be divided in two parts, 44 and 423616, that added together give a triangular number (423660 = T₉₂₀).

The spelling of 44423616 in words is "forty-four million, four hundred twenty-three thousand, six hundred sixteen".