44251816 has 128 divisors (see below), whose sum is σ = 109486080. Its totient is φ = 16321536.

The previous prime is 44251789. The next prime is 44251871. The reversal of 44251816 is 61815244.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 941505 + ... + 941551.

It is an arithmetic number, because the mean of its divisors is an integer number (855360).

Almost surely, 2^44251816 is an apocalyptic number.

44251816 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 44251816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54743040).

44251816 is an abundant number, since it is smaller than the sum of its proper divisors (65234264).

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

44251816 is a wasteful number, since it uses less digits than its factorization.

44251816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 139 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 44251816 is about 6652.2038453433. The cubic root of 44251816 is about 353.7070362818.

It can be divided in two parts, 4425 and 1816, that added together give a square (6241 = 79²).

The spelling of 44251816 in words is "forty-four million, two hundred fifty-one thousand, eight hundred sixteen".