44628660 has 72 divisors (see below), whose sum is σ = 139053096. Its totient is φ = 11577600.

The previous prime is 44628631. The next prime is 44628667. The reversal of 44628660 is 6682644.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10265616 + 34363044 = 3204^2 + 5862^2 .

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 (44628667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3310 + ... + 10010.

It is an arithmetic number, because the mean of its divisors is an integer number (1931293).

Almost surely, 2^44628660 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 44628660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69526548).

44628660 is an abundant number, since it is smaller than the sum of its proper divisors (94424436).

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

44628660 is a wasteful number, since it uses less digits than its factorization.

44628660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6753 (or 6748 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 44628660 is about 6680.4685464419. The cubic root of 44628660 is about 354.7082440532.

The spelling of 44628660 in words is "forty-four million, six hundred twenty-eight thousand, six hundred sixty".