240474791 has 4 divisors (see below), whose sum is σ = 246067272. Its totient is φ = 234882312.

The previous prime is 240474739. The next prime is 240474797. The reversal of 240474791 is 197474042.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 197474042 = 2 ⋅98737021.

It is a cyclic number.

It is not a de Polignac number, because 240474791 - 2¹⁸ = 240212647 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 (240474797) 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, 2796176 + ... + 2796261.

It is an arithmetic number, because the mean of its divisors is an integer number (61516818).

Almost surely, 2^240474791 is an apocalyptic number.

240474791 is a deficient number, since it is larger than the sum of its proper divisors (5592481).

240474791 is an equidigital number, since it uses as much as digits as its factorization.

240474791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5592480.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 240474791 is about 15507.2496271905. The cubic root of 240474791 is about 621.8560329257.

The spelling of 240474791 in words is "two hundred forty million, four hundred seventy-four thousand, seven hundred ninety-one".