404800245 has 12 divisors (see below), whose sum is σ = 701653836. Its totient is φ = 215893440.

The previous prime is 404800219. The next prime is 404800259. The reversal of 404800245 is 542008404.

It can be written as a sum of positive squares in 2 ways, for example, as 44635761 + 360164484 = 6681^2 + 18978^2 .

It is not a de Polignac number, because 404800245 - 2¹⁰ = 404799221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4497736 + ... + 4497825.

It is an arithmetic number, because the mean of its divisors is an integer number (58471153).

Almost surely, 2^404800245 is an apocalyptic number.

404800245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

404800245 is a deficient number, since it is larger than the sum of its proper divisors (296853591).

404800245 is a wasteful number, since it uses less digits than its factorization.

404800245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8995572 (or 8995569 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 404800245 is about 20119.6482325114. The cubic root of 404800245 is about 739.7419632353.

Adding to 404800245 its reverse (542008404), we get a palindrome (946808649).

The spelling of 404800245 in words is "four hundred four million, eight hundred thousand, two hundred forty-five".