44089428 has 48 divisors (see below), whose sum is σ = 105670656. Its totient is φ = 14302080.

The previous prime is 44089403. The next prime is 44089453. The reversal of 44089428 is 82498044.

It is an interprime number because it is at equal distance from previous prime (44089403) and next prime (44089453).

It is a super-2 number, since 2×44089428² = 3887755322734368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114925 + ... + 115307.

It is an arithmetic number, because the mean of its divisors is an integer number (2201472).

Almost surely, 2^44089428 is an apocalyptic number.

It is an amenable number.

44089428 is an abundant number, since it is smaller than the sum of its proper divisors (61581228).

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

44089428 is a wasteful number, since it uses less digits than its factorization.

44089428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 44089428 is about 6639.9870481801. The cubic root of 44089428 is about 353.2738474281.

The spelling of 44089428 in words is "forty-four million, eighty-nine thousand, four hundred twenty-eight".