44913636 has 48 divisors (see below), whose sum is σ = 117089280. Its totient is φ = 14888160.

The previous prime is 44913601. The next prime is 44913647. The reversal of 44913636 is 63631944.

44913636 is a `hidden beast` number, since 4 + 4 + 9 + 13 + 636 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 44913636.

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, 20221 + ... + 22331.

It is an arithmetic number, because the mean of its divisors is an integer number (2439360).

Almost surely, 2^44913636 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 44913636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58544640).

44913636 is an abundant number, since it is smaller than the sum of its proper divisors (72175644).

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

44913636 is a wasteful number, since it uses less digits than its factorization.

44913636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321 (or 2313 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 44913636 is about 6701.7636484734. The cubic root of 44913636 is about 355.4616384036.

The spelling of 44913636 in words is "forty-four million, nine hundred thirteen thousand, six hundred thirty-six".