2563271764040 has 64 divisors (see below), whose sum is σ = 6214800861360. Its totient is φ = 945860336640.

The previous prime is 2563271764021. The next prime is 2563271764043. The reversal of 2563271764040 is 404671723652.

It can be written as a sum of positive squares in 8 ways, for example, as 184946442916 + 2378325321124 = 430054^2 + 1542182^2 .

It is not an unprimeable number, because it can be changed into a prime (2563271764043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 654371 + ... + 2356850.

Almost surely, 2^{2563271764040} is an apocalyptic number.

2563271764040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2563271764040 is an abundant number, since it is smaller than the sum of its proper divisors (3651529097320).

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

2563271764040 is a wasteful number, since it uses less digits than its factorization.

2563271764040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012882 (or 3012878 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 2563271764040 in words is "two trillion, five hundred sixty-three billion, two hundred seventy-one million, seven hundred sixty-four thousand, forty".