2542707742128 has 80 divisors (see below), whose sum is σ = 6806032957440. Its totient is φ = 817482794752.

The previous prime is 2542707742117. The next prime is 2542707742139. The reversal of 2542707742128 is 8212477072452.

It is an interprime number because it is at equal distance from previous prime (2542707742117) and next prime (2542707742139).

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, 8320176 + ... + 8620367.

It is an arithmetic number, because the mean of its divisors is an integer number (85075411968).

Almost surely, 2^{2542707742128} is an apocalyptic number.

It is an amenable number.

2542707742128 is an abundant number, since it is smaller than the sum of its proper divisors (4263325215312).

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

2542707742128 is a wasteful number, since it uses less digits than its factorization.

2542707742128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16940666 (or 16940660 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 51.

The spelling of 2542707742128 in words is "two trillion, five hundred forty-two billion, seven hundred seven million, seven hundred forty-two thousand, one hundred twenty-eight".