404251442 has 8 divisors (see below), whose sum is σ = 693002496. Its totient is φ = 173250612.

The previous prime is 404251433. The next prime is 404251447. The reversal of 404251442 is 244152404.

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

It is not an unprimeable number, because it can be changed into a prime (404251447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14437538 + ... + 14437565.

It is an arithmetic number, because the mean of its divisors is an integer number (86625312).

Almost surely, 2^404251442 is an apocalyptic number.

404251442 is a deficient number, since it is larger than the sum of its proper divisors (288751054).

404251442 is a wasteful number, since it uses less digits than its factorization.

404251442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28875112.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 404251442 is about 20106.0051228482. The cubic root of 404251442 is about 739.4075133298.

The spelling of 404251442 in words is "four hundred four million, two hundred fifty-one thousand, four hundred forty-two".