2644126002 has 24 divisors (see below), whose sum is σ = 6547359936. Its totient is φ = 755464536.

The previous prime is 2644125983. The next prime is 2644126049. The reversal of 2644126002 is 2006214462.

2644126002 is a `hidden beast` number, since 2 + 6 + 44 + 12 + 600 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10492438 + ... + 10492689.

It is an arithmetic number, because the mean of its divisors is an integer number (272806664).

Almost surely, 2^2644126002 is an apocalyptic number.

2644126002 is an abundant number, since it is smaller than the sum of its proper divisors (3903233934).

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

2644126002 is a wasteful number, since it uses less digits than its factorization.

2644126002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20985142 (or 20985139 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2644126002 is about 51421.0657415810. The cubic root of 2644126002 is about 1382.8042818387.

The spelling of 2644126002 in words is "two billion, six hundred forty-four million, one hundred twenty-six thousand, two".