240427791 has 8 divisors (see below), whose sum is σ = 356189360. Its totient is φ = 160285176.

The previous prime is 240427783. The next prime is 240427793. The reversal of 240427791 is 197724042.

240427791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 240427791 - 2³ = 240427783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240427793) 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, 4452340 + ... + 4452393.

It is an arithmetic number, because the mean of its divisors is an integer number (44523670).

Almost surely, 2^240427791 is an apocalyptic number.

240427791 is a deficient number, since it is larger than the sum of its proper divisors (115761569).

240427791 is an equidigital number, since it uses as much as digits as its factorization.

240427791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8904742 (or 8904736 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 240427791 is about 15505.7341328942. The cubic root of 240427791 is about 621.8155170533.

The spelling of 240427791 in words is "two hundred forty million, four hundred twenty-seven thousand, seven hundred ninety-one".