63805000032 has 144 divisors (see below), whose sum is σ = 192225891312. Its totient is φ = 20006092800.

The previous prime is 63805000013. The next prime is 63805000087. The reversal of 63805000032 is 23000050836.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15748407 + ... + 15752457.

It is an arithmetic number, because the mean of its divisors is an integer number (1334902023).

Almost surely, 2^63805000032 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 63805000032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96112945656).

63805000032 is an abundant number, since it is smaller than the sum of its proper divisors (128420891280).

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

63805000032 is a wasteful number, since it uses less digits than its factorization.

63805000032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7301 (or 7290 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 63805000032 its reverse (23000050836), we get a palindrome (86805050868).

The spelling of 63805000032 in words is "sixty-three billion, eight hundred five million, thirty-two", and thus it is an aban number.