404134242 has 16 divisors (see below), whose sum is σ = 843410880. Its totient is φ = 128854352.

The previous prime is 404134223. The next prime is 404134249. The reversal of 404134242 is 242431404.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (404134249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1464117 + ... + 1464392.

It is an arithmetic number, because the mean of its divisors is an integer number (52713180).

Almost surely, 2^404134242 is an apocalyptic number.

404134242 is an abundant number, since it is smaller than the sum of its proper divisors (439276638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404134242 is a wasteful number, since it uses less digits than its factorization.

404134242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928537.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 404134242 is about 20103.0903594447. The cubic root of 404134242 is about 739.3360504336.

Adding to 404134242 its reverse (242431404), we get a palindrome (646565646).

It can be divided in two parts, 4041 and 34242, that added together give a palindrome (38283).

The spelling of 404134242 in words is "four hundred four million, one hundred thirty-four thousand, two hundred forty-two".