2044264664 has 16 divisors (see below), whose sum is σ = 4127842320. Its totient is φ = 943506720.

The previous prime is 2044264657. The next prime is 2044264669. The reversal of 2044264664 is 4664624402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044264669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9828092 + ... + 9828299.

It is an arithmetic number, because the mean of its divisors is an integer number (257990145).

Almost surely, 2^2044264664 is an apocalyptic number.

It is an amenable number.

2044264664 is an abundant number, since it is smaller than the sum of its proper divisors (2083577656).

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

2044264664 is a wasteful number, since it uses less digits than its factorization.

2044264664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19656410 (or 19656406 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

The square root of 2044264664 is about 45213.5451385976. The cubic root of 2044264664 is about 1269.1483044826.

The spelling of 2044264664 in words is "two billion, forty-four million, two hundred sixty-four thousand, six hundred sixty-four".