6444948876 has 48 divisors (see below), whose sum is σ = 15407914368. Its totient is φ = 2095632000.

The previous prime is 6444948847. The next prime is 6444948911. The reversal of 6444948876 is 6788494446.

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, 410776 + ... + 426176.

It is an arithmetic number, because the mean of its divisors is an integer number (320998216).

Almost surely, 2^6444948876 is an apocalyptic number.

It is an amenable number.

6444948876 is an abundant number, since it is smaller than the sum of its proper divisors (8962965492).

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

6444948876 is a wasteful number, since it uses less digits than its factorization.

6444948876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16262 (or 16260 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 60.

The square root of 6444948876 is about 80280.4389375145. The cubic root of 6444948876 is about 1860.9719431730.

The spelling of 6444948876 in words is "six billion, four hundred forty-four million, nine hundred forty-eight thousand, eight hundred seventy-six".