44380413 has 32 divisors (see below), whose sum is σ = 81976320. Its totient is φ = 23053680.

The previous prime is 44380381. The next prime is 44380433. The reversal of 44380413 is 31408344.

It is not a de Polignac number, because 44380413 - 2⁵ = 44380381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44380433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8595 + ... + 12752.

It is an arithmetic number, because the mean of its divisors is an integer number (2561760).

Almost surely, 2^44380413 is an apocalyptic number.

It is an amenable number.

44380413 is a deficient number, since it is larger than the sum of its proper divisors (37595907).

44380413 is a wasteful number, since it uses less digits than its factorization.

44380413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21374 (or 21368 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 44380413 is about 6661.8625773878. The cubic root of 44380413 is about 354.0493323952.

Adding to 44380413 its reverse (31408344), we get a palindrome (75788757).

The spelling of 44380413 in words is "forty-four million, three hundred eighty thousand, four hundred thirteen".