404254078285 has 8 divisors (see below), whose sum is σ = 486908259480. Its totient is φ = 322201018944.

The previous prime is 404254078259. The next prime is 404254078289. The reversal of 404254078285 is 582870452404.

It can be written as a sum of positive squares in 4 ways, for example, as 4591146564 + 399662931721 = 67758^2 + 632189^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 404254078285 - 2¹³ = 404254070093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404254078289) 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, 150278982 + ... + 150281671.

It is an arithmetic number, because the mean of its divisors is an integer number (60863532435).

Almost surely, 2^404254078285 is an apocalyptic number.

It is an amenable number.

404254078285 is a deficient number, since it is larger than the sum of its proper divisors (82654181195).

404254078285 is a wasteful number, since it uses less digits than its factorization.

404254078285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300560927.

The product of its (nonzero) digits is 2867200, while the sum is 49.

The spelling of 404254078285 in words is "four hundred four billion, two hundred fifty-four million, seventy-eight thousand, two hundred eighty-five".