63494880 has 96 divisors (see below), whose sum is σ = 201398400. Its totient is φ = 16814592.

The previous prime is 63494869. The next prime is 63494887. The reversal of 63494880 is 8849436.

63494880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63494887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85551 + ... + 86289.

It is an arithmetic number, because the mean of its divisors is an integer number (2097900).

Almost surely, 2^63494880 is an apocalyptic number.

63494880 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 63494880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100699200).

63494880 is an abundant number, since it is smaller than the sum of its proper divisors (137903520).

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

63494880 is a wasteful number, since it uses less digits than its factorization.

63494880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 63494880 is about 7968.3674614064. The cubic root of 63494880 is about 398.9448859496.

The spelling of 63494880 in words is "sixty-three million, four hundred ninety-four thousand, eight hundred eighty".