44426628 has 72 divisors (see below), whose sum is σ = 115690848. Its totient is φ = 14370048.

The previous prime is 44426623. The next prime is 44426647. The reversal of 44426628 is 82662444.

It is a happy number.

44426628 is a `hidden beast` number, since 4 + 4 + 4 + 26 + 628 = 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 = 44426592 and 44426601.

It is not an unprimeable number, because it can be changed into a prime (44426623) 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, 272475 + ... + 272637.

Almost surely, 2^44426628 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 44426628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57845424).

44426628 is an abundant number, since it is smaller than the sum of its proper divisors (71264220).

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

44426628 is a wasteful number, since it uses less digits than its factorization.

44426628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 348 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 44426628 is about 6665.3302993925. The cubic root of 44426628 is about 354.1721847414.

It can be divided in two parts, 44426 and 628, that added together give a palindrome (45054).

The spelling of 44426628 in words is "forty-four million, four hundred twenty-six thousand, six hundred twenty-eight".