2680978198038 has 64 divisors (see below), whose sum is σ = 6150370037760. Its totient is φ = 763194714912.

The previous prime is 2680978197973. The next prime is 2680978198039. The reversal of 2680978198038 is 8308918790862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680978198039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18919333 + ... + 19060511.

It is an arithmetic number, because the mean of its divisors is an integer number (96099531840).

Almost surely, 2^{2680978198038} is an apocalyptic number.

2680978198038 is an abundant number, since it is smaller than the sum of its proper divisors (3469391839722).

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

2680978198038 is a wasteful number, since it uses less digits than its factorization.

2680978198038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142841.

The product of its (nonzero) digits is 83607552, while the sum is 69.

The spelling of 2680978198038 in words is "two trillion, six hundred eighty billion, nine hundred seventy-eight million, one hundred ninety-eight thousand, thirty-eight".