4021440140401 has 8 divisors (see below), whose sum is σ = 4160649386880. Its totient is φ = 3882266820432.

The previous prime is 4021440140387. The next prime is 4021440140429. The reversal of 4021440140401 is 1040410441204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021440140401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021440140101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8753785 + ... + 9201718.

It is an arithmetic number, because the mean of its divisors is an integer number (520081173360).

Almost surely, 2^{4021440140401} is an apocalyptic number.

It is an amenable number.

4021440140401 is a deficient number, since it is larger than the sum of its proper divisors (139209246479).

4021440140401 is a wasteful number, since it uses less digits than its factorization.

4021440140401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17963255.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 4021440140401 its reverse (1040410441204), we get a palindrome (5061850581605).

The spelling of 4021440140401 in words is "four trillion, twenty-one billion, four hundred forty million, one hundred forty thousand, four hundred one".