2256542842000 has 40 divisors (see below), whose sum is σ = 5456320596792. Its totient is φ = 902617136000.

The previous prime is 2256542841991. The next prime is 2256542842033. The reversal of 2256542842000 is 2482456522.

It can be written as a sum of positive squares in 4 ways, for example, as 1968519424 + 2254574322576 = 44368^2 + 1501524^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564133711 + ... + 564137710.

Almost surely, 2^{2256542842000} is an apocalyptic number.

2256542842000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2256542842000 is an abundant number, since it is smaller than the sum of its proper divisors (3199777754792).

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

2256542842000 is a wasteful number, since it uses less digits than its factorization.

2256542842000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128271444 (or 1128271428 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

The spelling of 2256542842000 in words is "two trillion, two hundred fifty-six billion, five hundred forty-two million, eight hundred forty-two thousand".