44442618 has 32 divisors (see below), whose sum is σ = 97606080. Its totient is φ = 13378560.

The previous prime is 44442613. The next prime is 44442649. The reversal of 44442618 is 81624444.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (44442611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8218 + ... + 12506.

It is an arithmetic number, because the mean of its divisors is an integer number (3050190).

Almost surely, 2^44442618 is an apocalyptic number.

44442618 is an abundant number, since it is smaller than the sum of its proper divisors (53163462).

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

44442618 is a wasteful number, since it uses less digits than its factorization.

44442618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462.

The product of its digits is 24576, while the sum is 33.

The square root of 44442618 is about 6666.5296819260. The cubic root of 44442618 is about 354.2146707773.

It can be divided in two parts, 444426 and 18, that added together give a palindrome (444444).

The spelling of 44442618 in words is "forty-four million, four hundred forty-two thousand, six hundred eighteen".