4001440110421 has 8 divisors (see below), whose sum is σ = 4313994303584. Its totient is φ = 3689564646960.

The previous prime is 4001440110413. The next prime is 4001440110457. The reversal of 4001440110421 is 1240110441004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4001440110421 - 2³ = 4001440110413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4001440110392 and 4001440110401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001440110491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169670175 + ... + 169693756.

It is an arithmetic number, because the mean of its divisors is an integer number (539249287948).

Almost surely, 2^{4001440110421} is an apocalyptic number.

It is an amenable number.

4001440110421 is a deficient number, since it is larger than the sum of its proper divisors (312554193163).

4001440110421 is a wasteful number, since it uses less digits than its factorization.

4001440110421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339364851.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 4001440110421 its reverse (1240110441004), we get a palindrome (5241550551425).

The spelling of 4001440110421 in words is "four trillion, one billion, four hundred forty million, one hundred ten thousand, four hundred twenty-one".