63993095040 has 256 divisors, whose sum is σ = 243254430720. Its totient is φ = 13990969344.

The previous prime is 63993095003. The next prime is 63993095051. The reversal of 63993095040 is 4059039936.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205612 + ... + 412628.

It is an arithmetic number, because the mean of its divisors is an integer number (950212620).

Almost surely, 2^63993095040 is an apocalyptic number.

63993095040 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 63993095040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121627215360).

63993095040 is an abundant number, since it is smaller than the sum of its proper divisors (179261335680).

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

63993095040 is a wasteful number, since it uses less digits than its factorization.

63993095040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207069 (or 207057 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 48.

The spelling of 63993095040 in words is "sixty-three billion, nine hundred ninety-three million, ninety-five thousand, forty".