240040420607 has 32 divisors (see below), whose sum is σ = 268540272000. Its totient is φ = 213040396800.

The previous prime is 240040420603. The next prime is 240040420651. The reversal of 240040420607 is 706024040042.

It is a cyclic number.

It is not a de Polignac number, because 240040420607 - 2² = 240040420603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 240040420607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240040420601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116016569 + ... + 116018637.

It is an arithmetic number, because the mean of its divisors is an integer number (8391883500).

Almost surely, 2^240040420607 is an apocalyptic number.

240040420607 is a deficient number, since it is larger than the sum of its proper divisors (28499851393).

240040420607 is a wasteful number, since it uses less digits than its factorization.

240040420607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251.

The product of its (nonzero) digits is 10752, while the sum is 29.

Adding to 240040420607 its reverse (706024040042), we get a palindrome (946064460649).

The spelling of 240040420607 in words is "two hundred forty billion, forty million, four hundred twenty thousand, six hundred seven".