240261068587 has 2 divisors, whose sum is σ = 240261068588. Its totient is φ = 240261068586.

The previous prime is 240261068539. The next prime is 240261068609. The reversal of 240261068587 is 785860162042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240261068587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240261068587.

It is not a weakly prime, because it can be changed into another prime (240261068987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120130534293 + 120130534294.

It is an arithmetic number, because the mean of its divisors is an integer number (120130534294).

Almost surely, 2^240261068587 is an apocalyptic number.

240261068587 is a deficient number, since it is larger than the sum of its proper divisors (1).

240261068587 is an equidigital number, since it uses as much as digits as its factorization.

240261068587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 240261068587 in words is "two hundred forty billion, two hundred sixty-one million, sixty-eight thousand, five hundred eighty-seven".