63426512032 has 96 divisors (see below), whose sum is σ = 145417047552. Its totient is φ = 26965438464.

The previous prime is 63426511997. The next prime is 63426512041. The reversal of 63426512032 is 23021562436.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 236973 + ... + 427795.

It is an arithmetic number, because the mean of its divisors is an integer number (1514760912).

Almost surely, 2^63426512032 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 63426512032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72708523776).

63426512032 is an abundant number, since it is smaller than the sum of its proper divisors (81990535520).

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

63426512032 is a wasteful number, since it uses less digits than its factorization.

63426512032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190910 (or 190902 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 63426512032 in words is "sixty-three billion, four hundred twenty-six million, five hundred twelve thousand, thirty-two".