404134355 has 4 divisors (see below), whose sum is σ = 484961232. Its totient is φ = 323307480.

The previous prime is 404134327. The next prime is 404134373. The reversal of 404134355 is 553431404.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 404134355 - 2⁸ = 404134099 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40413431 + ... + 40413440.

It is an arithmetic number, because the mean of its divisors is an integer number (121240308).

Almost surely, 2^404134355 is an apocalyptic number.

404134355 is a deficient number, since it is larger than the sum of its proper divisors (80826877).

404134355 is an equidigital number, since it uses as much as digits as its factorization.

404134355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80826876.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 404134355 is about 20103.0931699577. The cubic root of 404134355 is about 739.3361193422.

Adding to 404134355 its reverse (553431404), we get a palindrome (957565759).

The spelling of 404134355 in words is "four hundred four million, one hundred thirty-four thousand, three hundred fifty-five".