2140362078828 has 12 divisors (see below), whose sum is σ = 4994178183960. Its totient is φ = 713454026272.

The previous prime is 2140362078739. The next prime is 2140362078839. The reversal of 2140362078828 is 8288702630412.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2140362078828² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89181753273 + ... + 89181753296.

It is an arithmetic number, because the mean of its divisors is an integer number (416181515330).

Almost surely, 2^{2140362078828} is an apocalyptic number.

It is an amenable number.

2140362078828 is an abundant number, since it is smaller than the sum of its proper divisors (2853816105132).

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

2140362078828 is a wasteful number, since it uses less digits than its factorization.

2140362078828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178363506576 (or 178363506574 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 2140362078828 in words is "two trillion, one hundred forty billion, three hundred sixty-two million, seventy-eight thousand, eight hundred twenty-eight".