44118405 has 32 divisors (see below), whose sum is σ = 78779520. Its totient is φ = 23425920.

The previous prime is 44118391. The next prime is 44118407. The reversal of 44118405 is 50481144.

It is a happy number.

It is not a de Polignac number, because 44118405 - 2⁶ = 44118341 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 (44118407) 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, 37354 + ... + 38516.

It is an arithmetic number, because the mean of its divisors is an integer number (2461860).

Almost surely, 2^44118405 is an apocalyptic number.

44118405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44118405 is a deficient number, since it is larger than the sum of its proper divisors (34661115).

44118405 is a wasteful number, since it uses less digits than its factorization.

44118405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458 (or 1452 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 44118405 is about 6642.1686970447. The cubic root of 44118405 is about 353.3512248169.

Adding to 44118405 its reverse (50481144), we get a palindrome (94599549).

The spelling of 44118405 in words is "forty-four million, one hundred eighteen thousand, four hundred five".