44261604 has 18 divisors (see below), whose sum is σ = 111883590. Its totient is φ = 14753856.

The previous prime is 44261603. The next prime is 44261641. The reversal of 44261604 is 40616244.

44261604 is a `hidden beast` number, since 4 + 42 + 616 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43956900 + 304704 = 6630^2 + 552^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (44261603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 614709 + ... + 614780.

It is an arithmetic number, because the mean of its divisors is an integer number (6215755).

Almost surely, 2^44261604 is an apocalyptic number.

It is an amenable number.

44261604 is an abundant number, since it is smaller than the sum of its proper divisors (67621986).

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

44261604 is a wasteful number, since it uses less digits than its factorization.

44261604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229499 (or 1229494 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 44261604 is about 6652.9395007019. The cubic root of 44261604 is about 353.7331130214.

Adding to 44261604 its reverse (40616244), we get a palindrome (84877848).

The spelling of 44261604 in words is "forty-four million, two hundred sixty-one thousand, six hundred four".