64480 has 48 divisors (see below), whose sum is σ = 169344. Its totient is φ = 23040.

The previous prime is 64453. The next prime is 64483. The reversal of 64480 is 8446.

It is a plaindrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2065 + ... + 2095.

It is an arithmetic number, because the mean of its divisors is an integer number (3528).

2⁶⁴⁴⁸⁰ 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 64480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84672).

64480 is an abundant number, since it is smaller than the sum of its proper divisors (104864).

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

64480 is a wasteful number, since it uses less digits than its factorization.

64480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 64480 is about 253.9291239697. The cubic root of 64480 is about 40.0997510365.

The spelling of 64480 in words is "sixty-four thousand, four hundred eighty".