63401424 has 80 divisors (see below), whose sum is σ = 174155520. Its totient is φ = 19837440.

The previous prime is 63401419. The next prime is 63401441. The reversal of 63401424 is 42410436.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 63401394 and 63401403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50889 + ... + 52119.

It is an arithmetic number, because the mean of its divisors is an integer number (2176944).

Almost surely, 2^63401424 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 63401424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87077760).

63401424 is an abundant number, since it is smaller than the sum of its proper divisors (110754096).

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

63401424 is a wasteful number, since it uses less digits than its factorization.

63401424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 63401424 is about 7962.5011145996. The cubic root of 63401424 is about 398.7490586090.

The spelling of 63401424 in words is "sixty-three million, four hundred one thousand, four hundred twenty-four".