404266155 has 8 divisors (see below), whose sum is σ = 646825872. Its totient is φ = 215608608.

The previous prime is 404266153. The next prime is 404266157. The reversal of 404266155 is 551662404.

It is an interprime number because it is at equal distance from previous prime (404266153) and next prime (404266157).

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

It is not a de Polignac number, because 404266155 - 2¹ = 404266153 is a prime.

It is a super-2 number, since 2×404266155² = 326862248156968050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (404266151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13475524 + ... + 13475553.

It is an arithmetic number, because the mean of its divisors is an integer number (80853234).

Almost surely, 2^404266155 is an apocalyptic number.

404266155 is a deficient number, since it is larger than the sum of its proper divisors (242559717).

404266155 is a wasteful number, since it uses less digits than its factorization.

404266155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26951085.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 404266155 is about 20106.3710052312. The cubic root of 404266155 is about 739.4164836303.

The spelling of 404266155 in words is "four hundred four million, two hundred sixty-six thousand, one hundred fifty-five".