2820670637264 has 80 divisors (see below), whose sum is σ = 5798553868800. Its totient is φ = 1324617295872.

The previous prime is 2820670637261. The next prime is 2820670637273. The reversal of 2820670637264 is 4627360760282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2820670637261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356186297 + ... + 356194215.

It is an arithmetic number, because the mean of its divisors is an integer number (72481923360).

Almost surely, 2^{2820670637264} is an apocalyptic number.

It is an amenable number.

2820670637264 is an abundant number, since it is smaller than the sum of its proper divisors (2977883231536).

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

2820670637264 is a wasteful number, since it uses less digits than its factorization.

2820670637264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10500 (or 10494 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 53.

The spelling of 2820670637264 in words is "two trillion, eight hundred twenty billion, six hundred seventy million, six hundred thirty-seven thousand, two hundred sixty-four".