663436048 has 40 divisors (see below), whose sum is σ = 1440175680. Its totient is φ = 293408640.

The previous prime is 663436031. The next prime is 663436049. The reversal of 663436048 is 840634366.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 663436048.

It is not an unprimeable number, because it can be changed into a prime (663436049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44428 + ... + 57451.

It is an arithmetic number, because the mean of its divisors is an integer number (36004392).

Almost surely, 2^663436048 is an apocalyptic number.

It is an amenable number.

663436048 is an abundant number, since it is smaller than the sum of its proper divisors (776739632).

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

663436048 is a wasteful number, since it uses less digits than its factorization.

663436048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101935 (or 101929 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 663436048 is about 25757.2523379339. The cubic root of 663436048 is about 872.1670765345.

The spelling of 663436048 in words is "six hundred sixty-three million, four hundred thirty-six thousand, forty-eight".