2044645464 has 32 divisors (see below), whose sum is σ = 5287878000. Its totient is φ = 658046592.

The previous prime is 2044645459. The next prime is 2044645469. The reversal of 2044645464 is 4645464402.

It is an interprime number because it is at equal distance from previous prime (2044645459) and next prime (2044645469).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044645469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1468159 + ... + 1469550.

Almost surely, 2^2044645464 is an apocalyptic number.

2044645464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2044645464 is an abundant number, since it is smaller than the sum of its proper divisors (3243232536).

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

2044645464 is a wasteful number, since it uses less digits than its factorization.

2044645464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937747 (or 2937743 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 39.

The square root of 2044645464 is about 45217.7560699334. The cubic root of 2044645464 is about 1269.2271040753.

The spelling of 2044645464 in words is "two billion, forty-four million, six hundred forty-five thousand, four hundred sixty-four".