63332312400 has 1680 divisors, whose sum is σ = 290407127040. Its totient is φ = 12933043200.

The previous prime is 63332312399. The next prime is 63332312411. The reversal of 63332312400 is 421323336.

It is a happy number.

63332312400 is a `hidden beast` number, since 63 + 332 + 31 + 240 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1680).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 892004365 + ... + 892004435.

Almost surely, 2^63332312400 is an apocalyptic number.

63332312400 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 63332312400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145203563520).

63332312400 is an abundant number, since it is smaller than the sum of its proper divisors (227074814640).

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

63332312400 is a wasteful number, since it uses less digits than its factorization.

63332312400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 63332312400 its reverse (421323336), we get a palindrome (63753635736).

The spelling of 63332312400 in words is "sixty-three billion, three hundred thirty-two million, three hundred twelve thousand, four hundred".