2186940626500 has 48 divisors (see below), whose sum is σ = 5458603812480. Its totient is φ = 749808213600.

The previous prime is 2186940626483. The next prime is 2186940626527. The reversal of 2186940626500 is 56260496812.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312416590 + ... + 312423589.

It is an arithmetic number, because the mean of its divisors is an integer number (113720912760).

Almost surely, 2^{2186940626500} is an apocalyptic number.

2186940626500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2186940626500 is an abundant number, since it is smaller than the sum of its proper divisors (3271663185980).

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

2186940626500 is a wasteful number, since it uses less digits than its factorization.

2186940626500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624840205 (or 624840193 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 2186940626500 in words is "two trillion, one hundred eighty-six billion, nine hundred forty million, six hundred twenty-six thousand, five hundred".