240040993 has 2 divisors, whose sum is σ = 240040994. Its totient is φ = 240040992.

The previous prime is 240040981. The next prime is 240041017. The reversal of 240040993 is 399040042.

240040993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239413729 + 627264 = 15473^2 + 792^2 .

It is a cyclic number.

It is not a de Polignac number, because 240040993 - 2⁹ = 240040481 is a prime.

It is not a weakly prime, because it can be changed into another prime (240040973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120020496 + 120020497.

It is an arithmetic number, because the mean of its divisors is an integer number (120020497).

Almost surely, 2^240040993 is an apocalyptic number.

It is an amenable number.

240040993 is a deficient number, since it is larger than the sum of its proper divisors (1).

240040993 is an equidigital number, since it uses as much as digits as its factorization.

240040993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 240040993 is about 15493.2563717251. The cubic root of 240040993 is about 621.4818810604.

The spelling of 240040993 in words is "two hundred forty million, forty thousand, nine hundred ninety-three".