44940865 has 8 divisors (see below), whose sum is σ = 55788840. Its totient is φ = 34712832.

The previous prime is 44940851. The next prime is 44940899. The reversal of 44940865 is 56804944.

It can be written as a sum of positive squares in 4 ways, for example, as 5049009 + 39891856 = 2247^2 + 6316^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44940865 - 2⁷ = 44940737 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154824 + ... + 155113.

It is an arithmetic number, because the mean of its divisors is an integer number (6973605).

Almost surely, 2^44940865 is an apocalyptic number.

It is an amenable number.

44940865 is a deficient number, since it is larger than the sum of its proper divisors (10847975).

44940865 is a wasteful number, since it uses less digits than its factorization.

44940865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309971.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 44940865 is about 6703.7948208459. The cubic root of 44940865 is about 355.5334570503.

It can be divided in two parts, 449 and 40865, that added together give a palindrome (41314).

The spelling of 44940865 in words is "forty-four million, nine hundred forty thousand, eight hundred sixty-five".