44481969 has 48 divisors (see below), whose sum is σ = 77051520. Its totient is φ = 24192000.

The previous prime is 44481961. The next prime is 44481973. The reversal of 44481969 is 96918444.

It is not a de Polignac number, because 44481969 - 2³ = 44481961 is a prime.

It is a super-2 number, since 2×44481969² = 3957291132233922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (44481961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 177094 + ... + 177344.

It is an arithmetic number, because the mean of its divisors is an integer number (1605240).

Almost surely, 2^44481969 is an apocalyptic number.

It is an amenable number.

44481969 is a deficient number, since it is larger than the sum of its proper divisors (32569551).

44481969 is a wasteful number, since it uses less digits than its factorization.

44481969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 387 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 44481969 is about 6669.4804145450. The cubic root of 44481969 is about 354.3191844943.

The spelling of 44481969 in words is "forty-four million, four hundred eighty-one thousand, nine hundred sixty-nine".