44459918 has 4 divisors (see below), whose sum is σ = 66689880. Its totient is φ = 22229958.

The previous prime is 44459869. The next prime is 44459939. The reversal of 44459918 is 81995444.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 11114978 + ... + 11114981.

It is an arithmetic number, because the mean of its divisors is an integer number (16672470).

Almost surely, 2^44459918 is an apocalyptic number.

44459918 is a deficient number, since it is larger than the sum of its proper divisors (22229962).

44459918 is a wasteful number, since it uses less digits than its factorization.

44459918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22229961.

The product of its digits is 207360, while the sum is 44.

The square root of 44459918 is about 6667.8270823410. The cubic root of 44459918 is about 354.2606260572.

The spelling of 44459918 in words is "forty-four million, four hundred fifty-nine thousand, nine hundred eighteen".