44138616 has 64 divisors (see below), whose sum is σ = 113097600. Its totient is φ = 14352000.

The previous prime is 44138603. The next prime is 44138617. The reversal of 44138616 is 61683144.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44138617) 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, 317475 + ... + 317613.

It is an arithmetic number, because the mean of its divisors is an integer number (1767150).

Almost surely, 2^44138616 is an apocalyptic number.

It is an amenable number.

44138616 is an abundant number, since it is smaller than the sum of its proper divisors (68958984).

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

44138616 is a wasteful number, since it uses less digits than its factorization.

44138616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 376 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 44138616 is about 6643.6899385808. The cubic root of 44138616 is about 353.4051742691.

The spelling of 44138616 in words is "forty-four million, one hundred thirty-eight thousand, six hundred sixteen".