44891464 has 8 divisors (see below), whose sum is σ = 84171510. Its totient is φ = 22445728.

The previous prime is 44891453. The next prime is 44891467. The reversal of 44891464 is 46419844.

It can be written as a sum of positive squares in only one way, i.e., 44328964 + 562500 = 6658^2 + 750^2 .

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 (44891467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805709 + ... + 2805724.

Almost surely, 2^44891464 is an apocalyptic number.

It is an amenable number.

44891464 is a deficient number, since it is larger than the sum of its proper divisors (39280046).

44891464 is a wasteful number, since it uses less digits than its factorization.

44891464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611439 (or 5611435 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 44891464 is about 6700.1092528406. The cubic root of 44891464 is about 355.4031365514.

The spelling of 44891464 in words is "forty-four million, eight hundred ninety-one thousand, four hundred sixty-four".