404052242 has 8 divisors (see below), whose sum is σ = 661176432. Its totient is φ = 183660100.

The previous prime is 404052241. The next prime is 404052283. The reversal of 404052242 is 242250404.

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 (404052241) 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, 9182984 + ... + 9183027.

It is an arithmetic number, because the mean of its divisors is an integer number (82647054).

Almost surely, 2^404052242 is an apocalyptic number.

404052242 is a deficient number, since it is larger than the sum of its proper divisors (257124190).

404052242 is a wasteful number, since it uses less digits than its factorization.

404052242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18366024.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 404052242 is about 20101.0507685544. The cubic root of 404052242 is about 739.2860425808.

The spelling of 404052242 in words is "four hundred four million, fifty-two thousand, two hundred forty-two".