1401421040321 has 8 divisors (see below), whose sum is σ = 1469920632960. Its totient is φ = 1334533202928.

The previous prime is 1401421040293. The next prime is 1401421040329. The reversal of 1401421040321 is 1230401241041.

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

It is not a de Polignac number, because 1401421040321 - 2²⁶ = 1401353931457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401421040329) 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, 402937031 + ... + 402940508.

It is an arithmetic number, because the mean of its divisors is an integer number (183740079120).

Almost surely, 2^{1401421040321} is an apocalyptic number.

It is an amenable number.

1401421040321 is a deficient number, since it is larger than the sum of its proper divisors (68499592639).

1401421040321 is an equidigital number, since it uses as much as digits as its factorization.

1401421040321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805877623.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1401421040321 its reverse (1230401241041), we get a palindrome (2631822281362).

The spelling of 1401421040321 in words is "one trillion, four hundred one billion, four hundred twenty-one million, forty thousand, three hundred twenty-one".