44289518 has 32 divisors (see below), whose sum is σ = 83987904. Its totient is φ = 17044992.

The previous prime is 44289499. The next prime is 44289523. The reversal of 44289518 is 81598244.

It is a super-2 number, since 2×44289518² = 3923122809344648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3446 + ... + 10022.

It is an arithmetic number, because the mean of its divisors is an integer number (2624622).

Almost surely, 2^44289518 is an apocalyptic number.

44289518 is a deficient number, since it is larger than the sum of its proper divisors (39698386).

44289518 is a wasteful number, since it uses less digits than its factorization.

44289518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6636.

The product of its digits is 92160, while the sum is 41.

The square root of 44289518 is about 6655.0370397166. The cubic root of 44289518 is about 353.8074591079.

The spelling of 44289518 in words is "forty-four million, two hundred eighty-nine thousand, five hundred eighteen".