404132042 has 8 divisors (see below), whose sum is σ = 606310500. Its totient is φ = 202028544.

The previous prime is 404131969. The next prime is 404132051. The reversal of 404132042 is 240231404.

It can be written as a sum of positive squares in 2 ways, for example, as 403246561 + 885481 = 20081^2 + 941^2 .

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

It is an unprimeable number.

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, 2417 + ... + 28532.

Almost surely, 2^404132042 is an apocalyptic number.

404132042 is a deficient number, since it is larger than the sum of its proper divisors (202178458).

404132042 is a wasteful number, since it uses less digits than its factorization.

404132042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37480.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 404132042 is about 20103.0356414150. The cubic root of 404132042 is about 739.3347088478.

Adding to 404132042 its reverse (240231404), we get a palindrome (644363446).

The spelling of 404132042 in words is "four hundred four million, one hundred thirty-two thousand, forty-two".