2644650080 has 24 divisors (see below), whose sum is σ = 6247986192. Its totient is φ = 1057859968.

The previous prime is 2644650053. The next prime is 2644650119. The reversal of 2644650080 is 800564462.

It is a self number, because there is not a number n which added to its sum of digits gives 2644650080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8264372 + ... + 8264691.

It is an arithmetic number, because the mean of its divisors is an integer number (260332758).

Almost surely, 2^2644650080 is an apocalyptic number.

2644650080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2644650080 is an abundant number, since it is smaller than the sum of its proper divisors (3603336112).

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

2644650080 is a wasteful number, since it uses less digits than its factorization.

2644650080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16529078 (or 16529070 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 2644650080 is about 51426.1614355962. The cubic root of 2644650080 is about 1382.8956352044.

The spelling of 2644650080 in words is "two billion, six hundred forty-four million, six hundred fifty thousand, eighty".