244418918 has 4 divisors (see below), whose sum is σ = 366628380. Its totient is φ = 122209458.

The previous prime is 244418903. The next prime is 244418921. The reversal of 244418918 is 819814442.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61104728 + ... + 61104731.

It is an arithmetic number, because the mean of its divisors is an integer number (91657095).

Almost surely, 2^244418918 is an apocalyptic number.

244418918 is a deficient number, since it is larger than the sum of its proper divisors (122209462).

244418918 is a wasteful number, since it uses less digits than its factorization.

244418918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122209461.

The product of its digits is 73728, while the sum is 41.

The square root of 244418918 is about 15633.9028396623. The cubic root of 244418918 is about 625.2373865181.

The spelling of 244418918 in words is "two hundred forty-four million, four hundred eighteen thousand, nine hundred eighteen".