404180485 has 8 divisors (see below), whose sum is σ = 485206776. Its totient is φ = 323217600.

The previous prime is 404180479. The next prime is 404180507. The reversal of 404180485 is 584081404.

It can be written as a sum of positive squares in 4 ways, for example, as 221444161 + 182736324 = 14881^2 + 13518^2 .

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

It is not a de Polignac number, because 404180485 - 2⁹ = 404179973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404180485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466 + ... + 28435.

It is an arithmetic number, because the mean of its divisors is an integer number (60650847).

Almost surely, 2^404180485 is an apocalyptic number.

It is an amenable number.

404180485 is a deficient number, since it is larger than the sum of its proper divisors (81026291).

404180485 is a wasteful number, since it uses less digits than its factorization.

404180485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31703.

The product of its (nonzero) digits is 20480, while the sum is 34.

The square root of 404180485 is about 20104.2404730942. The cubic root of 404180485 is about 739.3642488303.

The spelling of 404180485 in words is "four hundred four million, one hundred eighty thousand, four hundred eighty-five".