2563440443652 has 72 divisors (see below), whose sum is σ = 6639648837696. Its totient is φ = 769109000000.

The previous prime is 2563440443623. The next prime is 2563440443671.

2563440443652 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8593224 + ... + 8886527.

It is an arithmetic number, because the mean of its divisors is an integer number (92217344968).

Almost surely, 2^{2563440443652} is an apocalyptic number.

2563440443652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2563440443652 is an abundant number, since it is smaller than the sum of its proper divisors (4076208394044).

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

2563440443652 is a wasteful number, since it uses less digits than its factorization.

2563440443652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17479881 (or 17479868 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 48.

The spelling of 2563440443652 in words is "two trillion, five hundred sixty-three billion, four hundred forty million, four hundred forty-three thousand, six hundred fifty-two".