401140323142 has 32 divisors (see below), whose sum is σ = 650121492384. Its totient is φ = 184534809600.

The previous prime is 401140323139. The next prime is 401140323163. The reversal of 401140323142 is 241323041104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27428592 + ... + 27443212.

It is an arithmetic number, because the mean of its divisors is an integer number (20316296637).

Almost surely, 2^401140323142 is an apocalyptic number.

401140323142 is a deficient number, since it is larger than the sum of its proper divisors (248981169242).

401140323142 is a wasteful number, since it uses less digits than its factorization.

401140323142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18024.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 401140323142 its reverse (241323041104), we get a palindrome (642463364246).

The spelling of 401140323142 in words is "four hundred one billion, one hundred forty million, three hundred twenty-three thousand, one hundred forty-two".