240242388 has 12 divisors (see below), whose sum is σ = 560565600. Its totient is φ = 80080792.

The previous prime is 240242381. The next prime is 240242393. The reversal of 240242388 is 883242042.

240242388 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 (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240242381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10010088 + ... + 10010111.

It is an arithmetic number, because the mean of its divisors is an integer number (46713800).

Almost surely, 2^240242388 is an apocalyptic number.

It is an amenable number.

240242388 is an abundant number, since it is smaller than the sum of its proper divisors (320323212).

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

240242388 is a wasteful number, since it uses less digits than its factorization.

240242388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20020206 (or 20020204 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 33.

The square root of 240242388 is about 15499.7544496679. The cubic root of 240242388 is about 621.6556407644.

The spelling of 240242388 in words is "two hundred forty million, two hundred forty-two thousand, three hundred eighty-eight".