240540479 has 2 divisors, whose sum is σ = 240540480. Its totient is φ = 240540478.

The previous prime is 240540467. The next prime is 240540491. The reversal of 240540479 is 974045042.

It is a balanced prime because it is at equal distance from previous prime (240540467) and next prime (240540491).

It is a cyclic number.

It is not a de Polignac number, because 240540479 - 2¹⁶ = 240474943 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240542479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120270239 + 120270240.

It is an arithmetic number, because the mean of its divisors is an integer number (120270240).

Almost surely, 2^240540479 is an apocalyptic number.

240540479 is a deficient number, since it is larger than the sum of its proper divisors (1).

240540479 is an equidigital number, since it uses as much as digits as its factorization.

240540479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 240540479 is about 15509.3674597000. The cubic root of 240540479 is about 621.9126497546.

The spelling of 240540479 in words is "two hundred forty million, five hundred forty thousand, four hundred seventy-nine".