240664280827 has 4 divisors (see below), whose sum is σ = 243368373960. Its totient is φ = 237960187696.

The previous prime is 240664280789. The next prime is 240664280839. The reversal of 240664280827 is 728082466042.

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 240664280827 - 2⁷ = 240664280699 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240664260827) 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, 1352046433 + ... + 1352046610.

It is an arithmetic number, because the mean of its divisors is an integer number (60842093490).

Almost surely, 2^240664280827 is an apocalyptic number.

240664280827 is a deficient number, since it is larger than the sum of its proper divisors (2704093133).

240664280827 is an equidigital number, since it uses as much as digits as its factorization.

240664280827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704093132.

The product of its (nonzero) digits is 2064384, while the sum is 49.

The spelling of 240664280827 in words is "two hundred forty billion, six hundred sixty-four million, two hundred eighty thousand, eight hundred twenty-seven".