64395480 has 64 divisors (see below), whose sum is σ = 194646240. Its totient is φ = 17042432.

The previous prime is 64395433. The next prime is 64395481. The reversal of 64395480 is 8459346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64395481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14482 + ... + 18398.

Almost surely, 2^64395480 is an apocalyptic number.

64395480 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 64395480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97323120).

64395480 is an abundant number, since it is smaller than the sum of its proper divisors (130250760).

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

64395480 is a wasteful number, since it uses less digits than its factorization.

64395480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068 (or 4064 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 64395480 is about 8024.6794328496. The cubic root of 64395480 is about 400.8222253722.

The spelling of 64395480 in words is "sixty-four million, three hundred ninety-five thousand, four hundred eighty".