641460554810 has 32 divisors (see below), whose sum is σ = 1162665100800. Its totient is φ = 254804614848.

The previous prime is 641460554809. The next prime is 641460554849. The reversal of 641460554810 is 18455064146.

It is a happy number.

It is a super-2 number, since 2×641460554810² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 442391 + ... + 1215989.

It is an arithmetic number, because the mean of its divisors is an integer number (36333284400).

Almost surely, 2^641460554810 is an apocalyptic number.

641460554810 is a deficient number, since it is larger than the sum of its proper divisors (521204545990).

641460554810 is a wasteful number, since it uses less digits than its factorization.

641460554810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774182.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 641460554810 in words is "six hundred forty-one billion, four hundred sixty million, five hundred fifty-four thousand, eight hundred ten".