404446245 has 24 divisors (see below), whose sum is σ = 752766624. Its totient is φ = 184889376.

The previous prime is 404446241. The next prime is 404446249. The reversal of 404446245 is 542644404.

It is an interprime number because it is at equal distance from previous prime (404446241) and next prime (404446249).

It is not a de Polignac number, because 404446245 - 2² = 404446241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404446241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 274399 + ... + 275868.

It is an arithmetic number, because the mean of its divisors is an integer number (31365276).

Almost surely, 2^404446245 is an apocalyptic number.

It is an amenable number.

404446245 is a deficient number, since it is larger than the sum of its proper divisors (348320379).

404446245 is a wasteful number, since it uses less digits than its factorization.

404446245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550289 (or 550282 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

The square root of 404446245 is about 20110.8489378246. The cubic root of 404446245 is about 739.5262642327.

The spelling of 404446245 in words is "four hundred four million, four hundred forty-six thousand, two hundred forty-five".