5182121868640 has 24 divisors (see below), whose sum is σ = 12242762915040. Its totient is φ = 2072848747392.

The previous prime is 5182121868629. The next prime is 5182121868641. The reversal of 5182121868640 is 468681212815.

It is a super-2 number, since 2×5182121868640² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5182121868641) 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, 16194130680 + ... + 16194130999.

It is an arithmetic number, because the mean of its divisors is an integer number (510115121460).

Almost surely, 2^{5182121868640} is an apocalyptic number.

It is an amenable number.

5182121868640 is an abundant number, since it is smaller than the sum of its proper divisors (7060641046400).

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

5182121868640 is a wasteful number, since it uses less digits than its factorization.

5182121868640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32388261694 (or 32388261686 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 52.

The spelling of 5182121868640 in words is "five trillion, one hundred eighty-two billion, one hundred twenty-one million, eight hundred sixty-eight thousand, six hundred forty".