4042401010421 has 8 divisors (see below), whose sum is σ = 4045601260800. Its totient is φ = 4039201306080.

The previous prime is 4042401010391. The next prime is 4042401010519. The reversal of 4042401010421 is 1240101042404.

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 4042401010421 - 2¹⁸ = 4042400748277 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 (4042401310421) 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, 15369065 + ... + 15629873.

It is an arithmetic number, because the mean of its divisors is an integer number (505700157600).

Almost surely, 2^{4042401010421} is an apocalyptic number.

It is an amenable number.

4042401010421 is a deficient number, since it is larger than the sum of its proper divisors (3200250379).

4042401010421 is a wasteful number, since it uses less digits than its factorization.

4042401010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273019.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 4042401010421 its reverse (1240101042404), we get a palindrome (5282502052825).

The spelling of 4042401010421 in words is "four trillion, forty-two billion, four hundred one million, ten thousand, four hundred twenty-one".