64460480 has 84 divisors (see below), whose sum is σ = 178600608. Its totient is φ = 22095360.

The previous prime is 64460479. The next prime is 64460489. The reversal of 64460480 is 8406446.

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

It is not an unprimeable number, because it can be changed into a prime (64460489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13625 + ... + 17735.

Almost surely, 2^64460480 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 64460480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89300304).

64460480 is an abundant number, since it is smaller than the sum of its proper divisors (114140128).

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

64460480 is a wasteful number, since it uses less digits than its factorization.

64460480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4142 (or 4125 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 64460480 is about 8028.7284173772. The cubic root of 64460480 is about 400.9570416852.

The spelling of 64460480 in words is "sixty-four million, four hundred sixty thousand, four hundred eighty".