44865140 has 12 divisors (see below), whose sum is σ = 94216836. Its totient is φ = 17946048.

The previous prime is 44865133. The next prime is 44865173. The reversal of 44865140 is 4156844.

44865140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16434916 + 28430224 = 4054^2 + 5332^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 44865097 and 44865106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121609 + ... + 1121648.

It is an arithmetic number, because the mean of its divisors is an integer number (7851403).

Almost surely, 2^44865140 is an apocalyptic number.

It is an amenable number.

44865140 is an abundant number, since it is smaller than the sum of its proper divisors (49351696).

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

44865140 is a wasteful number, since it uses less digits than its factorization.

44865140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243266 (or 2243264 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 44865140 is about 6698.1445191934. The cubic root of 44865140 is about 355.3336544374. Note that the first 3 decimals are identical.

The spelling of 44865140 in words is "forty-four million, eight hundred sixty-five thousand, one hundred forty".