404070142 has 16 divisors (see below), whose sum is σ = 693410400. Its totient is φ = 172993248.

The previous prime is 404070119. The next prime is 404070143. The reversal of 404070142 is 241070404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404070143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517 + ... + 28432.

It is an arithmetic number, because the mean of its divisors is an integer number (43338150).

Almost surely, 2^404070142 is an apocalyptic number.

404070142 is a deficient number, since it is larger than the sum of its proper divisors (289340258).

404070142 is a wasteful number, since it uses less digits than its factorization.

404070142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29955.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 404070142 is about 20101.4960139787. The cubic root of 404070142 is about 739.2969595064.

The spelling of 404070142 in words is "four hundred four million, seventy thousand, one hundred forty-two".