63890480 has 40 divisors (see below), whose sum is σ = 153673200. Its totient is φ = 24674048.

The previous prime is 63890467. The next prime is 63890501. The reversal of 63890480 is 8409836.

63890480 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 (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11450 + ... + 16089.

It is an arithmetic number, because the mean of its divisors is an integer number (3841830).

Almost surely, 2^63890480 is an apocalyptic number.

It is an amenable number.

63890480 is an abundant number, since it is smaller than the sum of its proper divisors (89782720).

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

63890480 is a wasteful number, since it uses less digits than its factorization.

63890480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27581 (or 27575 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 63890480 is about 7993.1520691152. The cubic root of 63890480 is about 399.7717030594.

The spelling of 63890480 in words is "sixty-three million, eight hundred ninety thousand, four hundred eighty".