63464544 has 288 divisors, whose sum is σ = 224550144. Its totient is φ = 16727040.

The previous prime is 63464537. The next prime is 63464563. The reversal of 63464544 is 44546436.

63464544 is a `hidden beast` number, since 6 + 3 + 4 + 645 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is a junction number, because it is equal to n+sod(n) for n = 63464499 and 63464508.

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, 947199 + ... + 947265.

It is an arithmetic number, because the mean of its divisors is an integer number (779688).

Almost surely, 2^63464544 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 63464544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112275072).

63464544 is an abundant number, since it is smaller than the sum of its proper divisors (161085600).

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

63464544 is a wasteful number, since it uses less digits than its factorization.

63464544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 119 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 63464544 is about 7966.4637073171. The cubic root of 63464544 is about 398.8813410887.

The spelling of 63464544 in words is "sixty-three million, four hundred sixty-four thousand, five hundred forty-four".