65004480 has 84 divisors (see below), whose sum is σ = 223598232. Its totient is φ = 17333760.

The previous prime is 65004473. The next prime is 65004497. The reversal of 65004480 is 8440056.

65004480 is a `hidden beast` number, since 650 + 0 + 4 + 4 + 8 + 0 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8406 + ... + 14165.

Almost surely, 2^65004480 is an apocalyptic number.

65004480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

65004480 is an abundant number, since it is smaller than the sum of its proper divisors (158593752).

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

65004480 is a wasteful number, since it uses less digits than its factorization.

65004480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22594 (or 22581 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 65004480 is about 8062.5355813168. The cubic root of 65004480 is about 402.0818130064.

The spelling of 65004480 in words is "sixty-five million, four thousand, four hundred eighty".