21032440310401 has 24 divisors (see below), whose sum is σ = 22831112653056. Its totient is φ = 19366588200960.

The previous prime is 21032440310377. The next prime is 21032440310473. The reversal of 21032440310401 is 10401304423012.

It is not a de Polignac number, because 21032440310401 - 2¹⁵ = 21032440277633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21032440310491) 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 23 ways as a sum of consecutive naturals, for example, 119398876 + ... + 119574898.

It is an arithmetic number, because the mean of its divisors is an integer number (951296360544).

Almost surely, 2^{21032440310401} is an apocalyptic number.

It is an amenable number.

21032440310401 is a deficient number, since it is larger than the sum of its proper divisors (1798672342655).

21032440310401 is a wasteful number, since it uses less digits than its factorization.

21032440310401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177793 (or 177780 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21032440310401 its reverse (10401304423012), we get a palindrome (31433744733413).

The spelling of 21032440310401 in words is "twenty-one trillion, thirty-two billion, four hundred forty million, three hundred ten thousand, four hundred one".