63920480 has 96 divisors (see below), whose sum is σ = 165110400. Its totient is φ = 23242752.

The previous prime is 63920477. The next prime is 63920513. The reversal of 63920480 is 8402936.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 164126 + ... + 164514.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 2^63920480 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 63920480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82555200).

63920480 is an abundant number, since it is smaller than the sum of its proper divisors (101189920).

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

63920480 is a wasteful number, since it uses less digits than its factorization.

63920480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 63920480 is about 7995.0284552339. The cubic root of 63920480 is about 399.8342646723.

The spelling of 63920480 in words is "sixty-three million, nine hundred twenty thousand, four hundred eighty".