44399541 has 4 divisors (see below), whose sum is σ = 59199392. Its totient is φ = 29599692.

The previous prime is 44399539. The next prime is 44399557. The reversal of 44399541 is 14599344.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44399541 - 2¹ = 44399539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44399541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44399141) 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, 7399921 + ... + 7399926.

It is an arithmetic number, because the mean of its divisors is an integer number (14799848).

Almost surely, 2^44399541 is an apocalyptic number.

It is an amenable number.

44399541 is a deficient number, since it is larger than the sum of its proper divisors (14799851).

44399541 is a wasteful number, since it uses less digits than its factorization.

44399541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14799850.

The product of its digits is 77760, while the sum is 39.

The square root of 44399541 is about 6663.2980572686. The cubic root of 44399541 is about 354.1001902884.

The spelling of 44399541 in words is "forty-four million, three hundred ninety-nine thousand, five hundred forty-one".