240123424664 has 16 divisors (see below), whose sum is σ = 450238630920. Its totient is φ = 120059789760.

The previous prime is 240123424649. The next prime is 240123424669. The reversal of 240123424664 is 466424321042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240123424669) 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, 386732 + ... + 793604.

Almost surely, 2^240123424664 is an apocalyptic number.

It is an amenable number.

240123424664 is a deficient number, since it is larger than the sum of its proper divisors (210115206256).

240123424664 is a wasteful number, since it uses less digits than its factorization.

240123424664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480650 (or 480646 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 240123424664 in words is "two hundred forty billion, one hundred twenty-three million, four hundred twenty-four thousand, six hundred sixty-four".