2820318756 has 24 divisors (see below), whose sum is σ = 6641120640. Its totient is φ = 931480992.

The previous prime is 2820318737. The next prime is 2820318763. The reversal of 2820318756 is 6578130282.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076796 + ... + 1079411.

It is an arithmetic number, because the mean of its divisors is an integer number (276713360).

Almost surely, 2^2820318756 is an apocalyptic number.

It is an amenable number.

2820318756 is an abundant number, since it is smaller than the sum of its proper divisors (3820801884).

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

2820318756 is a wasteful number, since it uses less digits than its factorization.

2820318756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156323 (or 2156321 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 2820318756 is about 53106.6733659716. The cubic root of 2820318756 is about 1412.8608741550.

The spelling of 2820318756 in words is "two billion, eight hundred twenty million, three hundred eighteen thousand, seven hundred fifty-six".