403663636368048 has 80 divisors (see below), whose sum is σ = 1192579008598016. Its totient is φ = 115254063267840.

The previous prime is 403663636368023. The next prime is 403663636368119. The reversal of 403663636368048 is 840863636366304.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 403663636368048.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407860561 + ... + 408849072.

Almost surely, 2^{403663636368048} is an apocalyptic number.

403663636368048 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

403663636368048 is an abundant number, since it is smaller than the sum of its proper divisors (788915372229968).

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

403663636368048 is a wasteful number, since it uses less digits than its factorization.

403663636368048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816711122 (or 816711116 counting only the distinct ones).

The product of its (nonzero) digits is 644972544, while the sum is 66.

The spelling of 403663636368048 in words is "four hundred three trillion, six hundred sixty-three billion, six hundred thirty-six million, three hundred sixty-eight thousand, forty-eight".