63401888 has 48 divisors (see below), whose sum is σ = 140888160. Its totient is φ = 27820800.

The previous prime is 63401881. The next prime is 63401893. The reversal of 63401888 is 88810436.

It is not an unprimeable number, because it can be changed into a prime (63401881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7103 + ... + 13313.

It is an arithmetic number, because the mean of its divisors is an integer number (2935170).

Almost surely, 2^63401888 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 63401888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70444080).

63401888 is an abundant number, since it is smaller than the sum of its proper divisors (77486272).

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

63401888 is a wasteful number, since it uses less digits than its factorization.

63401888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261 (or 6253 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 63401888 is about 7962.5302511199. The cubic root of 63401888 is about 398.7500313480.

It can be divided in two parts, 6340 and 1888, that added together give a palindrome (8228).

The spelling of 63401888 in words is "sixty-three million, four hundred one thousand, eight hundred eighty-eight".