44473919 has 12 divisors (see below), whose sum is σ = 52394400. Its totient is φ = 37634688.

The previous prime is 44473873. The next prime is 44473931. The reversal of 44473919 is 91937444.

It is a de Polignac number, because none of the positive numbers 2^k-44473919 is a prime.

It is a super-2 number, since 2×44473919² = 3955858942437122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44473939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1874 + ... + 9615.

It is an arithmetic number, because the mean of its divisors is an integer number (4366200).

Almost surely, 2^44473919 is an apocalyptic number.

44473919 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

44473919 is a deficient number, since it is larger than the sum of its proper divisors (7920481).

44473919 is a wasteful number, since it uses less digits than its factorization.

44473919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11582 (or 11575 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 44473919 is about 6668.8768919511. The cubic root of 44473919 is about 354.2978092301.

The spelling of 44473919 in words is "forty-four million, four hundred seventy-three thousand, nine hundred nineteen".