44040872 has 8 divisors (see below), whose sum is σ = 82576650. Its totient is φ = 22020432.

The previous prime is 44040859. The next prime is 44040877. The reversal of 44040872 is 27804044.

It can be written as a sum of positive squares in only one way, i.e., 23483716 + 20557156 = 4846^2 + 4534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (44040877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752547 + ... + 2752562.

Almost surely, 2^44040872 is an apocalyptic number.

It is an amenable number.

44040872 is a deficient number, since it is larger than the sum of its proper divisors (38535778).

44040872 is a wasteful number, since it uses less digits than its factorization.

44040872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505115 (or 5505111 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 44040872 is about 6636.3297085061. The cubic root of 44040872 is about 353.1441121251.

The spelling of 44040872 in words is "forty-four million, forty thousand, eight hundred seventy-two".