240311355064463 has 4 divisors (see below), whose sum is σ = 241842000638280. Its totient is φ = 238780709490648.

The previous prime is 240311355064439. The next prime is 240311355064553. The reversal of 240311355064463 is 364460553113042.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240311355064463 - 2¹⁶ = 240311354998927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240311355004463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765322786673 + ... + 765322786986.

It is an arithmetic number, because the mean of its divisors is an integer number (60460500159570).

Almost surely, 2^{240311355064463} is an apocalyptic number.

240311355064463 is a deficient number, since it is larger than the sum of its proper divisors (1530645573817).

240311355064463 is a wasteful number, since it uses less digits than its factorization.

240311355064463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530645573816.

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 240311355064463 in words is "two hundred forty trillion, three hundred eleven billion, three hundred fifty-five million, sixty-four thousand, four hundred sixty-three".