63603188040 has 256 divisors, whose sum is σ = 224884408320. Its totient is φ = 14089512960.

The previous prime is 63603188027. The next prime is 63603188041. The reversal of 63603188040 is 4088130636.

It is a self number, because there is not a number n which added to its sum of digits gives 63603188040.

It is not an unprimeable number, because it can be changed into a prime (63603188041) 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 63 ways as a sum of consecutive naturals, for example, 4058620 + ... + 4074260.

It is an arithmetic number, because the mean of its divisors is an integer number (878454720).

Almost surely, 2^63603188040 is an apocalyptic number.

63603188040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63603188040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112442204160).

63603188040 is an abundant number, since it is smaller than the sum of its proper divisors (161281220280).

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

63603188040 is a wasteful number, since it uses less digits than its factorization.

63603188040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15812 (or 15808 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 63603188040 in words is "sixty-three billion, six hundred three million, one hundred eighty-eight thousand, forty".