240040640311 has 8 divisors (see below), whose sum is σ = 252526683600. Its totient is φ = 227835182400.

The previous prime is 240040640261. The next prime is 240040640377. The reversal of 240040640311 is 113046040042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240040640311 - 2¹⁷ = 240040509239 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 (240040640111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70144590 + ... + 70148011.

It is an arithmetic number, because the mean of its divisors is an integer number (31565835450).

Almost surely, 2^240040640311 is an apocalyptic number.

240040640311 is a deficient number, since it is larger than the sum of its proper divisors (12486043289).

240040640311 is a wasteful number, since it uses less digits than its factorization.

240040640311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140292689.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 240040640311 its reverse (113046040042), we get a palindrome (353086680353).

The spelling of 240040640311 in words is "two hundred forty billion, forty million, six hundred forty thousand, three hundred eleven".