44481906 has 48 divisors (see below), whose sum is σ = 114994080. Its totient is φ = 12708360.

The previous prime is 44481901. The next prime is 44481917. The reversal of 44481906 is 60918444.

It is a happy number.

It is a super-2 number, since 2×44481906² = 3957279922785672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44481901) 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, 5760 + ... + 11051.

It is an arithmetic number, because the mean of its divisors is an integer number (2395710).

Almost surely, 2^44481906 is an apocalyptic number.

44481906 is an abundant number, since it is smaller than the sum of its proper divisors (70512174).

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

44481906 is a wasteful number, since it uses less digits than its factorization.

44481906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16836 (or 16823 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 44481906 is about 6669.4756915368. The cubic root of 44481906 is about 354.3190172196.

The spelling of 44481906 in words is "forty-four million, four hundred eighty-one thousand, nine hundred six".