2044045464 has 64 divisors (see below), whose sum is σ = 5255235840. Its totient is φ = 662048640.

The previous prime is 2044045459. The next prime is 2044045477. The reversal of 2044045464 is 4645404402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1145517 + ... + 1147299.

It is an arithmetic number, because the mean of its divisors is an integer number (82113060).

Almost surely, 2^2044045464 is an apocalyptic number.

2044045464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2044045464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2627617920).

2044045464 is an abundant number, since it is smaller than the sum of its proper divisors (3211190376).

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

2044045464 is a wasteful number, since it uses less digits than its factorization.

2044045464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120 (or 3116 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

The square root of 2044045464 is about 45211.1210212709. The cubic root of 2044045464 is about 1269.1029406154.

Adding to 2044045464 its reverse (4645404402), we get a palindrome (6689449866).

The spelling of 2044045464 in words is "two billion, forty-four million, forty-five thousand, four hundred sixty-four".