63426607044 has 24 divisors (see below), whose sum is σ = 155784649440. Its totient is φ = 20029454784.

The previous prime is 63426607033. The next prime is 63426607067. The reversal of 63426607044 is 44070662436.

It is a super-2 number, since 2×63426607044² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63426606987 and 63426607005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139093209 + ... + 139093664.

It is an arithmetic number, because the mean of its divisors is an integer number (6491027060).

Almost surely, 2^63426607044 is an apocalyptic number.

It is an amenable number.

63426607044 is an abundant number, since it is smaller than the sum of its proper divisors (92358042396).

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

63426607044 is a wasteful number, since it uses less digits than its factorization.

63426607044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278186899 (or 278186897 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 42.

The spelling of 63426607044 in words is "sixty-three billion, four hundred twenty-six million, six hundred seven thousand, forty-four".