63271622400 has 648 divisors, whose sum is σ = 245526629040. Its totient is φ = 14306181120.

The previous prime is 63271622383. The next prime is 63271622443. The reversal of 63271622400 is 422617236.

It is a super-2 number, since 2×63271622400² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 102546892 + ... + 102547508.

Almost surely, 2^63271622400 is an apocalyptic number.

63271622400 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 63271622400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122763314520).

63271622400 is an abundant number, since it is smaller than the sum of its proper divisors (182255006640).

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

63271622400 is a wasteful number, since it uses less digits than its factorization.

63271622400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 63271622400 in words is "sixty-three billion, two hundred seventy-one million, six hundred twenty-two thousand, four hundred".