404013120142 has 8 divisors (see below), whose sum is σ = 606032249832. Its totient is φ = 202002370200.

The previous prime is 404013120139. The next prime is 404013120143. The reversal of 404013120142 is 241021310404.

It is a happy number.

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

It is a super-2 number, since 2×404013120142² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404013120143) 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, 1972984 + ... + 2168107.

It is an arithmetic number, because the mean of its divisors is an integer number (75754031229).

Almost surely, 2^404013120142 is an apocalyptic number.

404013120142 is a deficient number, since it is larger than the sum of its proper divisors (202019129690).

404013120142 is a wasteful number, since it uses less digits than its factorization.

404013120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189874.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 404013120142 its reverse (241021310404), we get a palindrome (645034430546).

The spelling of 404013120142 in words is "four hundred four billion, thirteen million, one hundred twenty thousand, one hundred forty-two".