4401330140021 has 4 divisors (see below), whose sum is σ = 4401372788544. Its totient is φ = 4401287491500.

The previous prime is 4401330139919. The next prime is 4401330140089. The reversal of 4401330140021 is 1200410331044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4401330140021 - 2²² = 4401325945717 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 (4401330140321) 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, 21169085 + ... + 21375986.

It is an arithmetic number, because the mean of its divisors is an integer number (1100343197136).

Almost surely, 2^{4401330140021} is an apocalyptic number.

It is an amenable number.

4401330140021 is a deficient number, since it is larger than the sum of its proper divisors (42648523).

4401330140021 is a wasteful number, since it uses less digits than its factorization.

4401330140021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42648522.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 4401330140021 its reverse (1200410331044), we get a palindrome (5601740471065).

The spelling of 4401330140021 in words is "four trillion, four hundred one billion, three hundred thirty million, one hundred forty thousand, twenty-one".