44538444 has 96 divisors (see below), whose sum is σ = 121927680. Its totient is φ = 14040000.

The previous prime is 44538437. The next prime is 44538449. The reversal of 44538444 is 44483544.

44538444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×44538444² = 3967345987882272, which contains 22 as substring.

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 = 44538399 and 44538408.

It is not an unprimeable number, because it can be changed into a prime (44538449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177319 + ... + 177569.

It is an arithmetic number, because the mean of its divisors is an integer number (1270080).

Almost surely, 2^44538444 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 44538444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60963840).

44538444 is an abundant number, since it is smaller than the sum of its proper divisors (77389236).

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

44538444 is a wasteful number, since it uses less digits than its factorization.

44538444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 340 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

The square root of 44538444 is about 6673.7129096179. The cubic root of 44538444 is about 354.4690707962.

The spelling of 44538444 in words is "forty-four million, five hundred thirty-eight thousand, four hundred forty-four".