2818140512720 has 80 divisors (see below), whose sum is σ = 7427568771840. Its totient is φ = 985778698752.

The previous prime is 2818140512689. The next prime is 2818140512851. The reversal of 2818140512720 is 272150418182.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 71289464 + ... + 71328983.

It is an arithmetic number, because the mean of its divisors is an integer number (92844609648).

Almost surely, 2^{2818140512720} is an apocalyptic number.

2818140512720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2818140512720 is an abundant number, since it is smaller than the sum of its proper divisors (4609428259120).

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

2818140512720 is a wasteful number, since it uses less digits than its factorization.

2818140512720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142618492 (or 142618486 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 41.

The spelling of 2818140512720 in words is "two trillion, eight hundred eighteen billion, one hundred forty million, five hundred twelve thousand, seven hundred twenty".