63463622400 has 324 divisors, whose sum is σ = 227404398312. Its totient is φ = 16885800960.

The previous prime is 63463622399. The next prime is 63463622441. The reversal of 63463622400 is 422636436.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33810262 + ... + 33812138.

Almost surely, 2^63463622400 is an apocalyptic number.

63463622400 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 63463622400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113702199156).

63463622400 is an abundant number, since it is smaller than the sum of its proper divisors (163940775912).

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

63463622400 is a wasteful number, since it uses less digits than its factorization.

63463622400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496 (or 2474 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 63463622400 in words is "sixty-three billion, four hundred sixty-three million, six hundred twenty-two thousand, four hundred".