6401120188782 has 48 divisors (see below), whose sum is σ = 14073681726720. Its totient is φ = 1939485591120.

The previous prime is 6401120188751. The next prime is 6401120188823. The reversal of 6401120188782 is 2878810211046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5163819 + ... + 6282297.

It is an arithmetic number, because the mean of its divisors is an integer number (293201702640).

Almost surely, 2^{6401120188782} is an apocalyptic number.

6401120188782 is an abundant number, since it is smaller than the sum of its proper divisors (7672561537938).

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

6401120188782 is a wasteful number, since it uses less digits than its factorization.

6401120188782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126389 (or 1126378 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 48.

The spelling of 6401120188782 in words is "six trillion, four hundred one billion, one hundred twenty million, one hundred eighty-eight thousand, seven hundred eighty-two".