44640336 has 60 divisors (see below), whose sum is σ = 124896768. Its totient is φ = 13732992.

The previous prime is 44640331. The next prime is 44640359. The reversal of 44640336 is 63304644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44640331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5361 + ... + 10863.

Almost surely, 2^44640336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44640336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62448384).

44640336 is an abundant number, since it is smaller than the sum of its proper divisors (80256432).

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

44640336 is a wasteful number, since it uses less digits than its factorization.

44640336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540 (or 5521 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 44640336 is about 6681.3423800910. The cubic root of 44640336 is about 354.7391749417.

The spelling of 44640336 in words is "forty-four million, six hundred forty thousand, three hundred thirty-six".