404419078609 has 64 divisors (see below), whose sum is σ = 521920143360. Its totient is φ = 304895036160.

The previous prime is 404419078607. The next prime is 404419078619. The reversal of 404419078609 is 906870914404.

It is not a de Polignac number, because 404419078609 - 2¹ = 404419078607 is a prime.

It is a super-2 number, since 2×404419078609² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (404419078607) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29688402 + ... + 29702020.

It is an arithmetic number, because the mean of its divisors is an integer number (8155002240).

Almost surely, 2^404419078609 is an apocalyptic number.

It is an amenable number.

404419078609 is a deficient number, since it is larger than the sum of its proper divisors (117501064751).

404419078609 is a wasteful number, since it uses less digits than its factorization.

404419078609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13870.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 404419078609 in words is "four hundred four billion, four hundred nineteen million, seventy-eight thousand, six hundred nine".