63408464 has 40 divisors (see below), whose sum is σ = 141449280. Its totient is φ = 26972928.

The previous prime is 63408439. The next prime is 63408517. The reversal of 63408464 is 46480436.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13532 + ... + 17604.

It is an arithmetic number, because the mean of its divisors is an integer number (3536232).

Almost surely, 2^63408464 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 63408464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70724640).

63408464 is an abundant number, since it is smaller than the sum of its proper divisors (78040816).

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

63408464 is a wasteful number, since it uses less digits than its factorization.

63408464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227 (or 4221 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 63408464 is about 7962.9431744801. The cubic root of 63408464 is about 398.7638168972.

The spelling of 63408464 in words is "sixty-three million, four hundred eight thousand, four hundred sixty-four".