641401422003260 has 12 divisors (see below), whose sum is σ = 1346942986206888. Its totient is φ = 256560568801296.

The previous prime is 641401422003239. The next prime is 641401422003313. The reversal of 641401422003260 is 62300224104146.

It is a super-2 number, since 2×641401422003260² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 641401422003260.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16035035550062 + ... + 16035035550101.

It is an arithmetic number, because the mean of its divisors is an integer number (112245248850574).

Almost surely, 2^{641401422003260} is an apocalyptic number.

It is an amenable number.

641401422003260 is an abundant number, since it is smaller than the sum of its proper divisors (705541564203628).

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

641401422003260 is a wasteful number, since it uses less digits than its factorization.

641401422003260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32070071100172 (or 32070071100170 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 641401422003260 in words is "six hundred forty-one trillion, four hundred one billion, four hundred twenty-two million, three thousand, two hundred sixty".