44516385 has 72 divisors (see below), whose sum is σ = 85026240. Its totient is φ = 22324896.

The previous prime is 44516383. The next prime is 44516389. The reversal of 44516385 is 58361544.

It is a happy number.

It is not a de Polignac number, because 44516385 - 2¹ = 44516383 is a prime.

Its product of digits (57600) is a multiple of the sum of its prime divisors (90).

It is not an unprimeable number, because it can be changed into a prime (44516383) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 754486 + ... + 754544.

It is an arithmetic number, because the mean of its divisors is an integer number (1180920).

Almost surely, 2^44516385 is an apocalyptic number.

44516385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44516385 is a deficient number, since it is larger than the sum of its proper divisors (40509855).

44516385 is an frugal number, since it uses more digits than its factorization.

44516385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 90 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 44516385 is about 6672.0600267084. The cubic root of 44516385 is about 354.4105406532.

The spelling of 44516385 in words is "forty-four million, five hundred sixteen thousand, three hundred eighty-five".