2542885956 has 36 divisors (see below), whose sum is σ = 6922301932. Its totient is φ = 782426304.

The previous prime is 2542885937. The next prime is 2542885991. The reversal of 2542885956 is 6595882452.

2542885956 is a `hidden beast` number, since 2 + 5 + 42 + 8 + 8 + 595 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1185700356 + 1357185600 = 34434^2 + 36840^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2716291 + ... + 2717226.

Almost surely, 2^2542885956 is an apocalyptic number.

2542885956 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2542885956 is an abundant number, since it is smaller than the sum of its proper divisors (4379415976).

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

2542885956 is a wasteful number, since it uses less digits than its factorization.

2542885956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5433540 (or 5433535 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 54.

The square root of 2542885956 is about 50427.0359628642. The cubic root of 2542885956 is about 1364.9255427727.

The spelling of 2542885956 in words is "two billion, five hundred forty-two million, eight hundred eighty-five thousand, nine hundred fifty-six".