4140401440421 has 8 divisors (see below), whose sum is σ = 4252331685504. Its totient is φ = 4028472642960.

The previous prime is 4140401440403. The next prime is 4140401440451. The reversal of 4140401440421 is 1240441040414.

It is a happy number.

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 4140401440421 - 2³⁸ = 3865523533477 is a prime.

It is a super-2 number, since 2×4140401440421² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4140401440451) 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, 8031776 + ... + 8531718.

It is an arithmetic number, because the mean of its divisors is an integer number (531541460688).

Almost surely, 2^{4140401440421} is an apocalyptic number.

It is an amenable number.

4140401440421 is a deficient number, since it is larger than the sum of its proper divisors (111930245083).

4140401440421 is a wasteful number, since it uses less digits than its factorization.

4140401440421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723811.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 4140401440421 its reverse (1240441040414), we get a palindrome (5380842480835).

The spelling of 4140401440421 in words is "four trillion, one hundred forty billion, four hundred one million, four hundred forty thousand, four hundred twenty-one".