404045244 has 36 divisors (see below), whose sum is σ = 1027058760. Its totient is φ = 133927200.

The previous prime is 404045231. The next prime is 404045249. The reversal of 404045244 is 442540404.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404045249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24907 + ... + 37794.

It is an arithmetic number, because the mean of its divisors is an integer number (28529410).

Almost surely, 2^404045244 is an apocalyptic number.

It is an amenable number.

404045244 is an abundant number, since it is smaller than the sum of its proper divisors (623013516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404045244 is a wasteful number, since it uses less digits than its factorization.

404045244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62890 (or 62885 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 404045244 is about 20100.8766972986. The cubic root of 404045244 is about 739.2817745242.

Adding to 404045244 its reverse (442540404), we get a palindrome (846585648).

It can be divided in two parts, 4040 and 45244, that added together give a square (49284 = 222²).

The spelling of 404045244 in words is "four hundred four million, forty-five thousand, two hundred forty-four".