65240224 has 48 divisors (see below), whose sum is σ = 154526400. Its totient is φ = 26486784.

The previous prime is 65240209. The next prime is 65240249. The reversal of 65240224 is 42204256.

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, 3409 + ... + 11920.

It is an arithmetic number, because the mean of its divisors is an integer number (3219300).

Almost surely, 2^65240224 is an apocalyptic number.

It is an amenable number.

65240224 is an abundant number, since it is smaller than the sum of its proper divisors (89286176).

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

65240224 is a wasteful number, since it uses less digits than its factorization.

65240224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15365 (or 15357 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 65240224 is about 8077.1420688261. The cubic root of 65240224 is about 402.5672873374.

The spelling of 65240224 in words is "sixty-five million, two hundred forty thousand, two hundred twenty-four".