404255844681 has 32 divisors (see below), whose sum is σ = 588522625152. Its totient is φ = 245322846720.

The previous prime is 404255844623. The next prime is 404255844683. The reversal of 404255844681 is 186448552404.

It is not a de Polignac number, because 404255844681 - 2⁶ = 404255844617 is a prime.

It is a super-2 number, since 2×404255844681² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (404255844683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27360826 + ... + 27375596.

It is an arithmetic number, because the mean of its divisors is an integer number (18391332036).

Almost surely, 2^404255844681 is an apocalyptic number.

It is an amenable number.

404255844681 is a deficient number, since it is larger than the sum of its proper divisors (184266780471).

404255844681 is a wasteful number, since it uses less digits than its factorization.

404255844681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24473.

The product of its (nonzero) digits is 4915200, while the sum is 51.

The spelling of 404255844681 in words is "four hundred four billion, two hundred fifty-five million, eight hundred forty-four thousand, six hundred eighty-one".