63344358400 has 264 divisors, whose sum is σ = 170653640960. Its totient is φ = 23224320000.

The previous prime is 63344358383. The next prime is 63344358433. The reversal of 63344358400 is 485344336.

63344358400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63344358400² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15076300 + ... + 15080500.

Almost surely, 2^63344358400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63344358400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85326820480).

63344358400 is an abundant number, since it is smaller than the sum of its proper divisors (107309282560).

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

63344358400 is a wasteful number, since it uses less digits than its factorization.

63344358400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281 (or 4258 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 63344358400 in words is "sixty-three billion, three hundred forty-four million, three hundred fifty-eight thousand, four hundred".