404040403142 has 8 divisors (see below), whose sum is σ = 610128126000. Its totient is φ = 200664361144.

The previous prime is 404040403103. The next prime is 404040403153. The reversal of 404040403142 is 241304040404.

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 2×404040403142² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 677919842 + ... + 677920437.

It is an arithmetic number, because the mean of its divisors is an integer number (76266015750).

Almost surely, 2^404040403142 is an apocalyptic number.

404040403142 is a deficient number, since it is larger than the sum of its proper divisors (206087722858).

404040403142 is a wasteful number, since it uses less digits than its factorization.

404040403142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355840430.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 404040403142 its reverse (241304040404), we get a palindrome (645344443546).

The spelling of 404040403142 in words is "four hundred four billion, forty million, four hundred three thousand, one hundred forty-two".