404245500 has 96 divisors (see below), whose sum is σ = 1217885760. Its totient is φ = 104070400.

The previous prime is 404245423. The next prime is 404245511. The reversal of 404245500 is 5542404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38854 + ... + 48146.

It is an arithmetic number, because the mean of its divisors is an integer number (12686310).

Almost surely, 2^404245500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404245500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608942880).

404245500 is an abundant number, since it is smaller than the sum of its proper divisors (813640260).

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

404245500 is a wasteful number, since it uses less digits than its factorization.

404245500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9344 (or 9332 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 404245500 is about 20105.8573555071. The cubic root of 404245500 is about 739.4038905178.

Adding to 404245500 its reverse (5542404), we get a palindrome (409787904).

The spelling of 404245500 in words is "four hundred four million, two hundred forty-five thousand, five hundred".