2171325025340 has 24 divisors (see below), whose sum is σ = 4566830157792. Its totient is φ = 867187609280.

The previous prime is 2171325025301. The next prime is 2171325025351. The reversal of 2171325025340 is 435205231712.

It is a self number, because there is not a number n which added to its sum of digits gives 2171325025340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83886791 + ... + 83912670.

It is an arithmetic number, because the mean of its divisors is an integer number (190284589908).

Almost surely, 2^{2171325025340} is an apocalyptic number.

2171325025340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2171325025340 is an abundant number, since it is smaller than the sum of its proper divisors (2395505132452).

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

2171325025340 is a wasteful number, since it uses less digits than its factorization.

2171325025340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167800117 (or 167800115 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 2171325025340 in words is "two trillion, one hundred seventy-one billion, three hundred twenty-five million, twenty-five thousand, three hundred forty".