240401664607 has 8 divisors (see below), whose sum is σ = 258979389536. Its totient is φ = 221836123872.

The previous prime is 240401664599. The next prime is 240401664623. The reversal of 240401664607 is 706466104042.

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

It is a cyclic number.

It is not a de Polignac number, because 240401664607 - 2³ = 240401664599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240401664607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240401667607) 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 7 ways as a sum of consecutive naturals, for example, 3005043 + ... + 3084004.

It is an arithmetic number, because the mean of its divisors is an integer number (32372423692).

Almost surely, 2^240401664607 is an apocalyptic number.

240401664607 is a deficient number, since it is larger than the sum of its proper divisors (18577724929).

240401664607 is a wasteful number, since it uses less digits than its factorization.

240401664607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6092097.

The product of its (nonzero) digits is 193536, while the sum is 40.

Adding to 240401664607 its reverse (706466104042), we get a palindrome (946867768649).

The spelling of 240401664607 in words is "two hundred forty billion, four hundred one million, six hundred sixty-four thousand, six hundred seven".