63434448 has 160 divisors (see below), whose sum is σ = 227128320. Its totient is φ = 16467840.

The previous prime is 63434447. The next prime is 63434479. The reversal of 63434448 is 84443436.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63434447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32311 + ... + 34217.

It is an arithmetic number, because the mean of its divisors is an integer number (1419552).

Almost surely, 2^63434448 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 63434448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113564160).

63434448 is an abundant number, since it is smaller than the sum of its proper divisors (163693872).

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

63434448 is a wasteful number, since it uses less digits than its factorization.

63434448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942 (or 1930 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

The square root of 63434448 is about 7964.5745649093. The cubic root of 63434448 is about 398.8182789430.

The spelling of 63434448 in words is "sixty-three million, four hundred thirty-four thousand, four hundred forty-eight".