2130382197640 has 16 divisors (see below), whose sum is σ = 4793359944780. Its totient is φ = 852152879040.

The previous prime is 2130382197631. The next prime is 2130382197649. The reversal of 2130382197640 is 467912830312.

It is an interprime number because it is at equal distance from previous prime (2130382197631) and next prime (2130382197649).

It can be written as a sum of positive squares in 2 ways, for example, as 1775135204964 + 355246992676 = 1332342^2 + 596026^2 .

It is not an unprimeable number, because it can be changed into a prime (2130382197649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26629777431 + ... + 26629777510.

Almost surely, 2^{2130382197640} is an apocalyptic number.

2130382197640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2130382197640 is an abundant number, since it is smaller than the sum of its proper divisors (2662977747140).

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

2130382197640 is a wasteful number, since it uses less digits than its factorization.

2130382197640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53259554952 (or 53259554948 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 2130382197640 in words is "two trillion, one hundred thirty billion, three hundred eighty-two million, one hundred ninety-seven thousand, six hundred forty".