240426442065 has 32 divisors (see below), whose sum is σ = 390019829760. Its totient is φ = 126448874496.

The previous prime is 240426442051. The next prime is 240426442127. The reversal of 240426442065 is 560244624042.

It is not a de Polignac number, because 240426442065 - 2⁸ = 240426441809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7692109 + ... + 7723301.

It is an arithmetic number, because the mean of its divisors is an integer number (12188119680).

Almost surely, 2^240426442065 is an apocalyptic number.

It is an amenable number.

240426442065 is a deficient number, since it is larger than the sum of its proper divisors (149593387695).

240426442065 is a wasteful number, since it uses less digits than its factorization.

240426442065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38313.

The product of its (nonzero) digits is 368640, while the sum is 39.

The spelling of 240426442065 in words is "two hundred forty billion, four hundred twenty-six million, four hundred forty-two thousand, sixty-five".