2564280568020 has 24 divisors (see below), whose sum is σ = 7179985590624. Its totient is φ = 683808151456.

The previous prime is 2564280568019. The next prime is 2564280568051. The reversal of 2564280568020 is 208650824652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21369004674 + ... + 21369004793.

It is an arithmetic number, because the mean of its divisors is an integer number (299166066276).

Almost surely, 2^{2564280568020} is an apocalyptic number.

2564280568020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2564280568020 is an abundant number, since it is smaller than the sum of its proper divisors (4615705022604).

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

2564280568020 is a wasteful number, since it uses less digits than its factorization.

2564280568020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42738009479 (or 42738009477 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 2564280568020 in words is "two trillion, five hundred sixty-four billion, two hundred eighty million, five hundred sixty-eight thousand, twenty".