2644476268 has 24 divisors (see below), whose sum is σ = 5297239584. Its totient is φ = 1131571200.

The previous prime is 2644476253. The next prime is 2644476269. The reversal of 2644476268 is 8626744462.

It is not an unprimeable number, because it can be changed into a prime (2644476269) 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, 55723 + ... + 91618.

It is an arithmetic number, because the mean of its divisors is an integer number (220718316).

Almost surely, 2^2644476268 is an apocalyptic number.

2644476268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2644476268 is an abundant number, since it is smaller than the sum of its proper divisors (2652763316).

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

2644476268 is a wasteful number, since it uses less digits than its factorization.

2644476268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147993 (or 147991 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 49.

The square root of 2644476268 is about 51424.4714897489. The cubic root of 2644476268 is about 1382.8653389314.

The spelling of 2644476268 in words is "two billion, six hundred forty-four million, four hundred seventy-six thousand, two hundred sixty-eight".