44457444 has 48 divisors (see below), whose sum is σ = 117230400. Its totient is φ = 14565888.

The previous prime is 44457443. The next prime is 44457449. The reversal of 44457444 is 44475444.

44457444 is a `hidden beast` number, since 4 + 44 + 574 + 44 = 666.

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 = 44457399 and 44457408.

It is not an unprimeable number, because it can be changed into a prime (44457443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2884 + ... + 9860.

It is an arithmetic number, because the mean of its divisors is an integer number (2442300).

Almost surely, 2^44457444 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 44457444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58615200).

44457444 is an abundant number, since it is smaller than the sum of its proper divisors (72772956).

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

44457444 is a wasteful number, since it uses less digits than its factorization.

44457444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7049 (or 7041 counting only the distinct ones).

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

The square root of 44457444 is about 6667.6415620518. The cubic root of 44457444 is about 354.2540549171.

The spelling of 44457444 in words is "forty-four million, four hundred fifty-seven thousand, four hundred forty-four".