2138000245280 has 24 divisors (see below), whose sum is σ = 5051025579852. Its totient is φ = 855200098048.

The previous prime is 2138000245279. The next prime is 2138000245307. The reversal of 2138000245280 is 825420008312.

It can be written as a sum of positive squares in 2 ways, for example, as 1992512926096 + 145487319184 = 1411564^2 + 381428^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2138000245280.

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, 6681250607 + ... + 6681250926.

Almost surely, 2^{2138000245280} is an apocalyptic number.

2138000245280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2138000245280 is an abundant number, since it is smaller than the sum of its proper divisors (2913025334572).

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

2138000245280 is a wasteful number, since it uses less digits than its factorization.

2138000245280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13362501548 (or 13362501540 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The spelling of 2138000245280 in words is "two trillion, one hundred thirty-eight billion, two hundred forty-five thousand, two hundred eighty".