2542781584026 has 12 divisors (see below), whose sum is σ = 5509360098762. Its totient is φ = 847593861336.

The previous prime is 2542781584003. The next prime is 2542781584069. The reversal of 2542781584026 is 6204851872452.

2542781584026 is a `hidden beast` number, since 2 + 5 + 427 + 8 + 158 + 40 + 26 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2189171772225 + 353609811801 = 1479585^2 + 594651^2 .

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70632821761 + ... + 70632821796.

Almost surely, 2^{2542781584026} is an apocalyptic number.

2542781584026 is an abundant number, since it is smaller than the sum of its proper divisors (2966578514736).

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

2542781584026 is a wasteful number, since it uses less digits than its factorization.

2542781584026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141265643565 (or 141265643562 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 54.

The spelling of 2542781584026 in words is "two trillion, five hundred forty-two billion, seven hundred eighty-one million, five hundred eighty-four thousand, twenty-six".