6396591111240 has 128 divisors (see below), whose sum is σ = 20936991196800. Its totient is φ = 1550489272320.

The previous prime is 6396591111233. The next prime is 6396591111359. The reversal of 6396591111240 is 421111956936.

It is a self number, because there is not a number n which added to its sum of digits gives 6396591111240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10084606 + ... + 10700114.

It is an arithmetic number, because the mean of its divisors is an integer number (163570243725).

Almost surely, 2^{6396591111240} is an apocalyptic number.

6396591111240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6396591111240 is an abundant number, since it is smaller than the sum of its proper divisors (14540400085560).

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

6396591111240 is a wasteful number, since it uses less digits than its factorization.

6396591111240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623407 (or 623403 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 48.

The spelling of 6396591111240 in words is "six trillion, three hundred ninety-six billion, five hundred ninety-one million, one hundred eleven thousand, two hundred forty".