44749512 has 24 divisors (see below), whose sum is σ = 121196790. Its totient is φ = 14916480.

The previous prime is 44749489. The next prime is 44749517. The reversal of 44749512 is 21594744.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 42693156 + 2056356 = 6534^2 + 1434^2 .

It is a tau number, because it is divible by the number of its divisors (24).

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

It is not an unprimeable number, because it can be changed into a prime (44749517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 310689 + ... + 310832.

Almost surely, 2^44749512 is an apocalyptic number.

It is an amenable number.

44749512 is an abundant number, since it is smaller than the sum of its proper divisors (76447278).

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

44749512 is a wasteful number, since it uses less digits than its factorization.

44749512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621533 (or 621526 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 44749512 is about 6689.5076051979. The cubic root of 44749512 is about 355.0281323999.

The spelling of 44749512 in words is "forty-four million, seven hundred forty-nine thousand, five hundred twelve".