2044429164 has 18 divisors (see below), whose sum is σ = 5167862700. Its totient is φ = 681476376.

The previous prime is 2044429159. The next prime is 2044429193. The reversal of 2044429164 is 4619244402.

It is a happy number.

2044429164 is a `hidden beast` number, since 204 + 442 + 9 + 1 + 6 + 4 = 666.

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

It is a super-2 number, since 2×2044429164² = 8359381213227477792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 56789699 = 2044429164 / (2 + 0 + 4 + 4 + 4 + 2 + 9 + 1 + 6 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28394814 + ... + 28394885.

Almost surely, 2^2044429164 is an apocalyptic number.

It is an amenable number.

2044429164 is an abundant number, since it is smaller than the sum of its proper divisors (3123433536).

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

2044429164 is a wasteful number, since it uses less digits than its factorization.

2044429164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56789709 (or 56789704 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 2044429164 is about 45215.3642471229. The cubic root of 2044429164 is about 1269.1823459483.

The spelling of 2044429164 in words is "two billion, forty-four million, four hundred twenty-nine thousand, one hundred sixty-four".