404425155 has 48 divisors (see below), whose sum is σ = 711306720. Its totient is φ = 195944448.

The previous prime is 404425111. The next prime is 404425193. The reversal of 404425155 is 551524404.

It is not a de Polignac number, because 404425155 - 2¹³ = 404416963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124107 + ... + 127323.

It is an arithmetic number, because the mean of its divisors is an integer number (14818890).

Almost surely, 2^404425155 is an apocalyptic number.

404425155 is a deficient number, since it is larger than the sum of its proper divisors (306881565).

404425155 is a wasteful number, since it uses less digits than its factorization.

404425155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3288 (or 3271 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 404425155 is about 20110.3245871368. The cubic root of 404425155 is about 739.5134097185.

Adding to 404425155 its reverse (551524404), we get a palindrome (955949559).

The spelling of 404425155 in words is "four hundred four million, four hundred twenty-five thousand, one hundred fifty-five".