64350560 has 48 divisors (see below), whose sum is σ = 153770400. Its totient is φ = 25445376.

The previous prime is 64350557. The next prime is 64350599. The reversal of 64350560 is 6505346.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11981 + ... + 16499.

It is an arithmetic number, because the mean of its divisors is an integer number (3203550).

Almost surely, 2^64350560 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 64350560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76885200).

64350560 is an abundant number, since it is smaller than the sum of its proper divisors (89419840).

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

64350560 is a wasteful number, since it uses less digits than its factorization.

64350560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4623 (or 4615 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 64350560 is about 8021.8800788843. The cubic root of 64350560 is about 400.7290039094.

The spelling of 64350560 in words is "sixty-four million, three hundred fifty thousand, five hundred sixty".