44542399 has 12 divisors (see below), whose sum is σ = 49335552. Its totient is φ = 40182560.

The previous prime is 44542391. The next prime is 44542409. The reversal of 44542399 is 99324544.

It is not a de Polignac number, because 44542399 - 2³ = 44542391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44542391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15234 + ... + 17920.

It is an arithmetic number, because the mean of its divisors is an integer number (4111296).

Almost surely, 2^44542399 is an apocalyptic number.

44542399 is a deficient number, since it is larger than the sum of its proper divisors (4793153).

44542399 is a wasteful number, since it uses less digits than its factorization.

44542399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846 (or 2835 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 44542399 is about 6674.0092148573. The cubic root of 44542399 is about 354.4795627334.

The spelling of 44542399 in words is "forty-four million, five hundred forty-two thousand, three hundred ninety-nine".