240335976247 has 2 divisors, whose sum is σ = 240335976248. Its totient is φ = 240335976246.

The previous prime is 240335976211. The next prime is 240335976319. The reversal of 240335976247 is 742679533042.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240335976247 is a prime.

It is a super-2 number, since 2×240335976247² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240335976194 and 240335976203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240335977247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120167988123 + 120167988124.

It is an arithmetic number, because the mean of its divisors is an integer number (120167988124).

Almost surely, 2^240335976247 is an apocalyptic number.

240335976247 is a deficient number, since it is larger than the sum of its proper divisors (1).

240335976247 is an equidigital number, since it uses as much as digits as its factorization.

240335976247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 52.

The spelling of 240335976247 in words is "two hundred forty billion, three hundred thirty-five million, nine hundred seventy-six thousand, two hundred forty-seven".