44618472 has 128 divisors (see below), whose sum is σ = 136080000. Its totient is φ = 13483008.

The previous prime is 44618461. The next prime is 44618473. The reversal of 44618472 is 27481644.

It is a super-2 number, since 2×44618472² = 3981616087229568, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44618473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106279 + ... + 106697.

It is an arithmetic number, because the mean of its divisors is an integer number (1063125).

Almost surely, 2^44618472 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 44618472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68040000).

44618472 is an abundant number, since it is smaller than the sum of its proper divisors (91461528).

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

44618472 is a wasteful number, since it uses less digits than its factorization.

44618472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 470 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 44618472 is about 6679.7059815534. The cubic root of 44618472 is about 354.6812506173.

The spelling of 44618472 in words is "forty-four million, six hundred eighteen thousand, four hundred seventy-two".