44405118 has 16 divisors (see below), whose sum is σ = 98678160. Its totient is φ = 14801688.

The previous prime is 44405117. The next prime is 44405131. The reversal of 44405118 is 81150444.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 44405091 and 44405100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44405117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411105 + ... + 411212.

It is an arithmetic number, because the mean of its divisors is an integer number (6167385).

Almost surely, 2^44405118 is an apocalyptic number.

44405118 is an abundant number, since it is smaller than the sum of its proper divisors (54273042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44405118 is a wasteful number, since it uses less digits than its factorization.

44405118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822328 (or 822322 counting only the distinct ones).

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

The square root of 44405118 is about 6663.7165305856. The cubic root of 44405118 is about 354.1150157726.

The spelling of 44405118 in words is "forty-four million, four hundred five thousand, one hundred eighteen".