44419939 has 4 divisors (see below), whose sum is σ = 44505720. Its totient is φ = 44334160.

The previous prime is 44419927. The next prime is 44419951. The reversal of 44419939 is 93991444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (44419927) and next prime (44419951).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44419939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44419895 and 44419904.

It is not an unprimeable number, because it can be changed into a prime (44419919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42109 + ... + 43150.

It is an arithmetic number, because the mean of its divisors is an integer number (11126430).

Almost surely, 2^44419939 is an apocalyptic number.

44419939 is a deficient number, since it is larger than the sum of its proper divisors (85781).

44419939 is an equidigital number, since it uses as much as digits as its factorization.

44419939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85780.

The product of its digits is 139968, while the sum is 43.

The square root of 44419939 is about 6664.8285049204. The cubic root of 44419939 is about 354.1544087907.

The spelling of 44419939 in words is "forty-four million, four hundred nineteen thousand, nine hundred thirty-nine".