63040004688 has 20 divisors (see below), whose sum is σ = 162853345568. Its totient is φ = 21013334880.

The previous prime is 63040004683. The next prime is 63040004693. The reversal of 63040004688 is 88640004036.

It is an interprime number because it is at equal distance from previous prime (63040004683) and next prime (63040004693).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63040004683) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 656666668 + ... + 656666763.

Almost surely, 2^63040004688 is an apocalyptic number.

It is an amenable number.

63040004688 is an abundant number, since it is smaller than the sum of its proper divisors (99813340880).

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

63040004688 is a wasteful number, since it uses less digits than its factorization.

63040004688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313333442 (or 1313333436 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 63040004688 in words is "sixty-three billion, forty million, four thousand, six hundred eighty-eight".