404655043 has 4 divisors (see below), whose sum is σ = 435782368. Its totient is φ = 373527720.

The previous prime is 404655023. The next prime is 404655071. The reversal of 404655043 is 340556404.

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

It is a cyclic number.

It is not a de Polignac number, because 404655043 - 2⁵ = 404655011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404654996 and 404655014.

It is not an unprimeable number, because it can be changed into a prime (404655023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15563643 + ... + 15563668.

It is an arithmetic number, because the mean of its divisors is an integer number (108945592).

Almost surely, 2^404655043 is an apocalyptic number.

404655043 is a deficient number, since it is larger than the sum of its proper divisors (31127325).

404655043 is a wasteful number, since it uses less digits than its factorization.

404655043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31127324.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 404655043 is about 20116.0394461733. The cubic root of 404655043 is about 739.6535040843.

The spelling of 404655043 in words is "four hundred four million, six hundred fifty-five thousand, forty-three".