44940645 has 12 divisors (see below), whose sum is σ = 77897196. Its totient is φ = 23968320.

The previous prime is 44940619. The next prime is 44940647. The reversal of 44940645 is 54604944.

44940645 is a `hidden beast` number, since 4 + 4 + 9 + 4 + 0 + 645 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13198689 + 31741956 = 3633^2 + 5634^2 .

It is not a de Polignac number, because 44940645 - 2⁵ = 44940613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44940647) 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, 499296 + ... + 499385.

It is an arithmetic number, because the mean of its divisors is an integer number (6491433).

Almost surely, 2^44940645 is an apocalyptic number.

44940645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44940645 is a deficient number, since it is larger than the sum of its proper divisors (32956551).

44940645 is a wasteful number, since it uses less digits than its factorization.

44940645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998692 (or 998689 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 44940645 is about 6703.7784122090. The cubic root of 44940645 is about 355.5328768991.

The spelling of 44940645 in words is "forty-four million, nine hundred forty thousand, six hundred forty-five".