404270055 has 64 divisors (see below), whose sum is σ = 824140800. Its totient is φ = 184187520.

The previous prime is 404270023. The next prime is 404270099. The reversal of 404270055 is 550072404.

It is not a de Polignac number, because 404270055 - 2⁵ = 404270023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 395445 + ... + 396465.

It is an arithmetic number, because the mean of its divisors is an integer number (12877200).

Almost surely, 2^404270055 is an apocalyptic number.

404270055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

404270055 is an abundant number, since it is smaller than the sum of its proper divisors (419870745).

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

404270055 is a wasteful number, since it uses less digits than its factorization.

404270055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 404270055 is about 20106.4679891820. The cubic root of 404270055 is about 739.4188613667.

The spelling of 404270055 in words is "four hundred four million, two hundred seventy thousand, fifty-five".