641719299360 has 384 divisors, whose sum is σ = 2232227579904. Its totient is φ = 154250772480.

The previous prime is 641719299281. The next prime is 641719299379. The reversal of 641719299360 is 63992917146.

It is a self number, because there is not a number n which added to its sum of digits gives 641719299360.

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 63 ways as a sum of consecutive naturals, for example, 24524044 + ... + 24550196.

It is an arithmetic number, because the mean of its divisors is an integer number (5813092656).

Almost surely, 2^641719299360 is an apocalyptic number.

641719299360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 641719299360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1116113789952).

641719299360 is an abundant number, since it is smaller than the sum of its proper divisors (1590508280544).

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

641719299360 is a wasteful number, since it uses less digits than its factorization.

641719299360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26316 (or 26308 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 57.

The spelling of 641719299360 in words is "six hundred forty-one billion, seven hundred nineteen million, two hundred ninety-nine thousand, three hundred sixty".