240263760021 has 16 divisors (see below), whose sum is σ = 325961694720. Its totient is φ = 157373838320.

The previous prime is 240263759951. The next prime is 240263760031. The reversal of 240263760021 is 120067362042.

240263760021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 240263760021 - 2¹¹ = 240263757973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240263760031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54225 + ... + 695318.

It is an arithmetic number, because the mean of its divisors is an integer number (20372605920).

Almost surely, 2^240263760021 is an apocalyptic number.

It is an amenable number.

240263760021 is a deficient number, since it is larger than the sum of its proper divisors (85697934699).

240263760021 is a wasteful number, since it uses less digits than its factorization.

240263760021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751416.

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 240263760021 in words is "two hundred forty billion, two hundred sixty-three million, seven hundred sixty thousand, twenty-one".