404840844484 has 12 divisors (see below), whose sum is σ = 708671579308. Its totient is φ = 202363250400.

The previous prime is 404840844379. The next prime is 404840844487. The reversal of 404840844484 is 484448048404.

It can be written as a sum of positive squares in 2 ways, for example, as 293625264384 + 111215580100 = 541872^2 + 333490^2 .

It is a super-2 number, since 2×404840844484² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (404840844487) 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, 14277027 + ... + 14305354.

Almost surely, 2^404840844484 is an apocalyptic number.

It is an amenable number.

404840844484 is a deficient number, since it is larger than the sum of its proper divisors (303830734824).

404840844484 is a wasteful number, since it uses less digits than its factorization.

404840844484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28585926 (or 28585924 counting only the distinct ones).

The product of its (nonzero) digits is 8388608, while the sum is 52.

The spelling of 404840844484 in words is "four hundred four billion, eight hundred forty million, eight hundred forty-four thousand, four hundred eighty-four".