2540277168198 has 64 divisors (see below), whose sum is σ = 6393395847168. Its totient is φ = 653645769120.

The previous prime is 2540277168179. The next prime is 2540277168241. The reversal of 2540277168198 is 8918617720452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25644190 + ... + 25743057.

It is an arithmetic number, because the mean of its divisors is an integer number (99896810112).

Almost surely, 2^{2540277168198} is an apocalyptic number.

2540277168198 is an abundant number, since it is smaller than the sum of its proper divisors (3853118678970).

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

2540277168198 is a wasteful number, since it uses less digits than its factorization.

2540277168198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51387377.

The product of its (nonzero) digits is 13547520, while the sum is 60.

The spelling of 2540277168198 in words is "two trillion, five hundred forty billion, two hundred seventy-seven million, one hundred sixty-eight thousand, one hundred ninety-eight".