240642912 has 24 divisors (see below), whose sum is σ = 631687896. Its totient is φ = 80214272.

The previous prime is 240642889. The next prime is 240642929. The reversal of 240642912 is 219246042.

240642912 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×240642912² = 115818022191679488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240642912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253253 + ... + 1253444.

It is an arithmetic number, because the mean of its divisors is an integer number (26320329).

Almost surely, 2^240642912 is an apocalyptic number.

It is an amenable number.

240642912 is an abundant number, since it is smaller than the sum of its proper divisors (391044984).

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

240642912 is a wasteful number, since it uses less digits than its factorization.

240642912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506710 (or 2506702 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 240642912 is about 15512.6694027817. The cubic root of 240642912 is about 622.0009167248. Note that the first 3 decimals are identical.

Adding to 240642912 its reverse (219246042), we get a palindrome (459888954).

The spelling of 240642912 in words is "two hundred forty million, six hundred forty-two thousand, nine hundred twelve".