63418940928 has 800 divisors, whose sum is σ = 231959439360. Its totient is φ = 16930529280.

The previous prime is 63418940869. The next prime is 63418940933. The reversal of 63418940928 is 82904981436.

63418940928 is a `hidden beast` number, since 6 + 34 + 189 + 409 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2045772273 + ... + 2045772303.

Almost surely, 2^63418940928 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 63418940928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115979719680).

63418940928 is an abundant number, since it is smaller than the sum of its proper divisors (168540498432).

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

63418940928 is an frugal number, since it uses more digits than its factorization.

63418940928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 63418940928 in words is "sixty-three billion, four hundred eighteen million, nine hundred forty thousand, nine hundred twenty-eight".