641741360736 has 576 divisors, whose sum is σ = 2120798635200. Its totient is φ = 168784035840.

The previous prime is 641741360717. The next prime is 641741360861. The reversal of 641741360736 is 637063147146.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1429267840 + ... + 1429268288.

It is an arithmetic number, because the mean of its divisors is an integer number (3681942075).

Almost surely, 2^641741360736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 641741360736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1060399317600).

641741360736 is an abundant number, since it is smaller than the sum of its proper divisors (1479057274464).

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

641741360736 is a wasteful number, since it uses less digits than its factorization.

641741360736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 48.

The spelling of 641741360736 in words is "six hundred forty-one billion, seven hundred forty-one million, three hundred sixty thousand, seven hundred thirty-six".