401244231342 has 32 divisors (see below), whose sum is σ = 832716529920. Its totient is φ = 128797683840.

The previous prime is 401244231319. The next prime is 401244231389. The reversal of 401244231342 is 243132442104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10933867 + ... + 10970502.

It is an arithmetic number, because the mean of its divisors is an integer number (26022391560).

Almost surely, 2^401244231342 is an apocalyptic number.

401244231342 is an abundant number, since it is smaller than the sum of its proper divisors (431472298578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401244231342 is a wasteful number, since it uses less digits than its factorization.

401244231342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21904488.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 401244231342 its reverse (243132442104), we get a palindrome (644376673446).

The spelling of 401244231342 in words is "four hundred one billion, two hundred forty-four million, two hundred thirty-one thousand, three hundred forty-two".