63401676480 has 224 divisors, whose sum is σ = 228427361280. Its totient is φ = 16547281920.

The previous prime is 63401676431. The next prime is 63401676523. The reversal of 63401676480 is 8467610436.

It is a happy number.

63401676480 is a `hidden beast` number, since 6 + 3 + 4 + 0 + 167 + 6 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328015 + ... + 484145.

Almost surely, 2^63401676480 is an apocalyptic number.

63401676480 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 63401676480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114213680640).

63401676480 is an abundant number, since it is smaller than the sum of its proper divisors (165025684800).

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

63401676480 is a wasteful number, since it uses less digits than its factorization.

63401676480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156204 (or 156188 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 63401676480 in words is "sixty-three billion, four hundred one million, six hundred seventy-six thousand, four hundred eighty".