2587685422720 has 64 divisors (see below), whose sum is σ = 6264491731200. Its totient is φ = 1021971944448.

The previous prime is 2587685422687. The next prime is 2587685422739. The reversal of 2587685422720 is 272245867852.

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

It is a super-2 number, since 2×2587685422720² (a number of 26 digits) contains 22 as substring.

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, 25539684 + ... + 25640803.

It is an arithmetic number, because the mean of its divisors is an integer number (97882683300).

Almost surely, 2^{2587685422720} is an apocalyptic number.

2587685422720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2587685422720 is an abundant number, since it is smaller than the sum of its proper divisors (3676806308480).

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

2587685422720 is an equidigital number, since it uses as much as digits as its factorization.

2587685422720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51180585 (or 51180573 counting only the distinct ones).

The product of its (nonzero) digits is 30105600, while the sum is 58.

The spelling of 2587685422720 in words is "two trillion, five hundred eighty-seven billion, six hundred eighty-five million, four hundred twenty-two thousand, seven hundred twenty".