63641260760 has 384 divisors, whose sum is σ = 195780499200. Its totient is φ = 18350115840.

The previous prime is 63641260733. The next prime is 63641260799. The reversal of 63641260760 is 6706214636.

It is a super-2 number, since 2×63641260760² (a number of 22 digits) contains 22 as substring.

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, 17612714 + ... + 17616326.

It is an arithmetic number, because the mean of its divisors is an integer number (509845050).

Almost surely, 2^63641260760 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 63641260760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97890249600).

63641260760 is an abundant number, since it is smaller than the sum of its proper divisors (132139238440).

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

63641260760 is a wasteful number, since it uses less digits than its factorization.

63641260760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711 (or 3700 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The spelling of 63641260760 in words is "sixty-three billion, six hundred forty-one million, two hundred sixty thousand, seven hundred sixty".