2188724000240 has 20 divisors (see below), whose sum is σ = 5088783300744. Its totient is φ = 875489600064.

The previous prime is 2188724000237. The next prime is 2188724000257. The reversal of 2188724000240 is 420004278812.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 2188724000194 and 2188724000203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13679524922 + ... + 13679525081.

Almost surely, 2^{2188724000240} is an apocalyptic number.

2188724000240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2188724000240 is an abundant number, since it is smaller than the sum of its proper divisors (2900059300504).

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

2188724000240 is a wasteful number, since it uses less digits than its factorization.

2188724000240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27359050016 (or 27359050010 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 38.

The spelling of 2188724000240 in words is "two trillion, one hundred eighty-eight billion, seven hundred twenty-four million, two hundred forty", and thus it is an aban number.