2154008800680 has 128 divisors (see below), whose sum is σ = 7464158916480. Its totient is φ = 491467243520.

The previous prime is 2154008800651. The next prime is 2154008800717. The reversal of 2154008800680 is 860088004512.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47972409 + ... + 48017288.

It is an arithmetic number, because the mean of its divisors is an integer number (58313741535).

Almost surely, 2^{2154008800680} is an apocalyptic number.

2154008800680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2154008800680 is an abundant number, since it is smaller than the sum of its proper divisors (5310150115800).

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

2154008800680 is a wasteful number, since it uses less digits than its factorization.

2154008800680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95989739 (or 95989735 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The spelling of 2154008800680 in words is "two trillion, one hundred fifty-four billion, eight million, eight hundred thousand, six hundred eighty".