2869444464 has 80 divisors (see below), whose sum is σ = 7483806720. Its totient is φ = 947358720.

The previous prime is 2869444463. The next prime is 2869444471. The reversal of 2869444464 is 4644449682.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2869444463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2895009 + ... + 2895999.

It is an arithmetic number, because the mean of its divisors is an integer number (93547584).

Almost surely, 2^2869444464 is an apocalyptic number.

2869444464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2869444464 is an abundant number, since it is smaller than the sum of its proper divisors (4614362256).

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

2869444464 is a wasteful number, since it uses less digits than its factorization.

2869444464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518 (or 1512 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 51.

The square root of 2869444464 is about 53567.1957824936. The cubic root of 2869444464 is about 1421.0170033802.

The spelling of 2869444464 in words is "two billion, eight hundred sixty-nine million, four hundred forty-four thousand, four hundred sixty-four".