63940003036 has 48 divisors (see below), whose sum is σ = 143704641024. Its totient is φ = 24195162816.

The previous prime is 63940003027. The next prime is 63940003073. The reversal of 63940003036 is 63030004936.

It is a junction number, because it is equal to n+sod(n) for n = 63940002992 and 63940003010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3810310 + ... + 3827053.

It is an arithmetic number, because the mean of its divisors is an integer number (2993846688).

Almost surely, 2^63940003036 is an apocalyptic number.

It is an amenable number.

63940003036 is an abundant number, since it is smaller than the sum of its proper divisors (79764637988).

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

63940003036 is a wasteful number, since it uses less digits than its factorization.

63940003036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7637410 (or 7637408 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 34.

The spelling of 63940003036 in words is "sixty-three billion, nine hundred forty million, three thousand, thirty-six".