401334440453231 has 4 divisors (see below), whose sum is σ = 401337118075992. Its totient is φ = 401331762830472.

The previous prime is 401334440453197. The next prime is 401334440453237. The reversal of 401334440453231 is 132354044433104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401334440453231 - 2³⁴ = 401317260584047 is a prime.

It is a super-2 number, since 2×401334440453231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401334440453237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338586541 + ... + 1338886326.

It is an arithmetic number, because the mean of its divisors is an integer number (100334279518998).

Almost surely, 2^{401334440453231} is an apocalyptic number.

401334440453231 is a deficient number, since it is larger than the sum of its proper divisors (2677622761).

401334440453231 is a wasteful number, since it uses less digits than its factorization.

401334440453231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677622760.

The product of its (nonzero) digits is 829440, while the sum is 41.

Adding to 401334440453231 its reverse (132354044433104), we get a palindrome (533688484886335).

The spelling of 401334440453231 in words is "four hundred one trillion, three hundred thirty-four billion, four hundred forty million, four hundred fifty-three thousand, two hundred thirty-one".