404412655 has 8 divisors (see below), whose sum is σ = 485465184. Its totient is φ = 323416800.

The previous prime is 404412653. The next prime is 404412667. The reversal of 404412655 is 556214404.

It is a happy number.

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

It is not a de Polignac number, because 404412655 - 2¹ = 404412653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404412653) 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, 3550 + ... + 28660.

It is an arithmetic number, because the mean of its divisors is an integer number (60683148).

Almost surely, 2^404412655 is an apocalyptic number.

404412655 is a deficient number, since it is larger than the sum of its proper divisors (81052529).

404412655 is a wasteful number, since it uses less digits than its factorization.

404412655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28337.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 404412655 is about 20110.0137991002. The cubic root of 404412655 is about 739.5057906632.

The spelling of 404412655 in words is "four hundred four million, four hundred twelve thousand, six hundred fifty-five".