64280480 has 48 divisors (see below), whose sum is σ = 165672864. Its totient is φ = 23374080.

The previous prime is 64280479. The next prime is 64280527. The reversal of 64280480 is 8408246.

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

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, 16502 + ... + 20021.

It is an arithmetic number, because the mean of its divisors is an integer number (3451518).

Almost surely, 2^64280480 is an apocalyptic number.

It is an amenable number.

64280480 is an abundant number, since it is smaller than the sum of its proper divisors (101392384).

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

64280480 is a wasteful number, since it uses less digits than its factorization.

64280480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36549 (or 36541 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 64280480 is about 8017.5108356646. The cubic root of 64280480 is about 400.5834817920.

The spelling of 64280480 in words is "sixty-four million, two hundred eighty thousand, four hundred eighty".