240430240211021 has 16 divisors (see below), whose sum is σ = 286728757536000. Its totient is φ = 197119838919168.

The previous prime is 240430240211017. The next prime is 240430240211107. The reversal of 240430240211021 is 120112042034042.

240430240211021 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 240430240211021 - 2² = 240430240211017 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 (240430240211221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380356 + ... + 21971933.

It is an arithmetic number, because the mean of its divisors is an integer number (17920547346000).

Almost surely, 2^{240430240211021} is an apocalyptic number.

It is an amenable number.

240430240211021 is a deficient number, since it is larger than the sum of its proper divisors (46298517324979).

240430240211021 is a wasteful number, since it uses less digits than its factorization.

240430240211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23416268.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 240430240211021 its reverse (120112042034042), we get a palindrome (360542282245063).

The spelling of 240430240211021 in words is "two hundred forty trillion, four hundred thirty billion, two hundred forty million, two hundred eleven thousand, twenty-one".