63401400 has 192 divisors, whose sum is σ = 223200000. Its totient is φ = 16536960.

The previous prime is 63401399. The next prime is 63401419. The reversal of 63401400 is 410436.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 318501 + ... + 318699.

It is an arithmetic number, because the mean of its divisors is an integer number (1162500).

Almost surely, 2^63401400 is an apocalyptic number.

63401400 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 63401400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111600000).

63401400 is an abundant number, since it is smaller than the sum of its proper divisors (159798600).

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

63401400 is a wasteful number, since it uses less digits than its factorization.

63401400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 63401400 is about 7962.4996075353. The cubic root of 63401400 is about 398.7490082948.

Adding to 63401400 its reverse (410436), we get a palindrome (63811836).

The spelling of 63401400 in words is "sixty-three million, four hundred one thousand, four hundred".