65240112 has 40 divisors (see below), whose sum is σ = 192614656. Its totient is φ = 18639936.

The previous prime is 65240107. The next prime is 65240113. The reversal of 65240112 is 21104256.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65240113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96748 + ... + 97419.

Almost surely, 2^65240112 is an apocalyptic number.

It is an amenable number.

65240112 is an abundant number, since it is smaller than the sum of its proper divisors (127374544).

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

65240112 is a wasteful number, since it uses less digits than its factorization.

65240112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194185 (or 194179 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 65240112 is about 8077.1351356777. The cubic root of 65240112 is about 402.5670569706.

Adding to 65240112 its reverse (21104256), we get a palindrome (86344368).

The spelling of 65240112 in words is "sixty-five million, two hundred forty thousand, one hundred twelve".