63954194304 has 512 divisors, whose sum is σ = 229211136000. Its totient is φ = 15258378240.

The previous prime is 63954194303. The next prime is 63954194321. The reversal of 63954194304 is 40349145936.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63954194303) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 145681317 + ... + 145681755.

It is an arithmetic number, because the mean of its divisors is an integer number (447678000).

Almost surely, 2^63954194304 is an apocalyptic number.

63954194304 is a gapful number since it is divisible by the number (64) 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 63954194304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114605568000).

63954194304 is an abundant number, since it is smaller than the sum of its proper divisors (165256941696).

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

63954194304 is a wasteful number, since it uses less digits than its factorization.

63954194304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 63954194304 in words is "sixty-three billion, nine hundred fifty-four million, one hundred ninety-four thousand, three hundred four".