2585056816000 has 64 divisors (see below), whose sum is σ = 6427097548560. Its totient is φ = 1034022720000.

The previous prime is 2585056815989. The next prime is 2585056816037. The reversal of 2585056816000 is 6186505852.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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, 80767026 + ... + 80799025.

Almost surely, 2^{2585056816000} is an apocalyptic number.

2585056816000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2585056816000 is an abundant number, since it is smaller than the sum of its proper divisors (3842040732560).

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

2585056816000 is an equidigital number, since it uses as much as digits as its factorization.

2585056816000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161566080 (or 161566058 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 46.

The spelling of 2585056816000 in words is "two trillion, five hundred eighty-five billion, fifty-six million, eight hundred sixteen thousand".