401204424531 has 4 divisors (see below), whose sum is σ = 534939232712. Its totient is φ = 267469616352.

The previous prime is 401204424463. The next prime is 401204424563. The reversal of 401204424531 is 135424402104.

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

It is not a de Polignac number, because 401204424531 - 2¹⁴ = 401204408147 is a prime.

It is a super-2 number, since 2×401204424531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401204424581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66867404086 + ... + 66867404091.

It is an arithmetic number, because the mean of its divisors is an integer number (133734808178).

Almost surely, 2^401204424531 is an apocalyptic number.

401204424531 is a deficient number, since it is larger than the sum of its proper divisors (133734808181).

401204424531 is a wasteful number, since it uses less digits than its factorization.

401204424531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133734808180.

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 401204424531 its reverse (135424402104), we get a palindrome (536628826635).

The spelling of 401204424531 in words is "four hundred one billion, two hundred four million, four hundred twenty-four thousand, five hundred thirty-one".