44481616 has 10 divisors (see below), whose sum is σ = 86183162. Its totient is φ = 22240800.

The previous prime is 44481607. The next prime is 44481617. The reversal of 44481616 is 61618444.

It can be written as a sum of positive squares in only one way, i.e., 42510400 + 1971216 = 6520^2 + 1404^2 .

It is a super-2 number, since 2×44481616² = 3957228323942912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44481617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390035 + ... + 1390066.

Almost surely, 2^44481616 is an apocalyptic number.

It is an amenable number.

44481616 is a deficient number, since it is larger than the sum of its proper divisors (41701546).

44481616 is a wasteful number, since it uses less digits than its factorization.

44481616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780109 (or 2780103 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 44481616 is about 6669.4539506619. The cubic root of 44481616 is about 354.3182472231.

The spelling of 44481616 in words is "forty-four million, four hundred eighty-one thousand, six hundred sixteen".