44454744 has 80 divisors (see below), whose sum is σ = 128589120. Its totient is φ = 14333760.

The previous prime is 44454743. The next prime is 44454749. The reversal of 44454744 is 44745444.

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

It is a junction number, because it is equal to n+sod(n) for n = 44454699 and 44454708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44454743) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18982 + ... + 21194.

It is an arithmetic number, because the mean of its divisors is an integer number (1607364).

Almost surely, 2^44454744 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 44454744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64294560).

44454744 is an abundant number, since it is smaller than the sum of its proper divisors (84134376).

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

44454744 is a wasteful number, since it uses less digits than its factorization.

44454744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262 (or 2249 counting only the distinct ones).

The product of its digits is 143360, while the sum is 36.

The square root of 44454744 is about 6667.4390885857. The cubic root of 44454744 is about 354.2468832249.

The spelling of 44454744 in words is "forty-four million, four hundred fifty-four thousand, seven hundred forty-four".