404248075 has 48 divisors (see below), whose sum is σ = 627745536. Its totient is φ = 250876800.

The previous prime is 404248073. The next prime is 404248087. The reversal of 404248075 is 570842404.

It is a happy number.

It is not a de Polignac number, because 404248075 - 2¹ = 404248073 is a prime.

It is a super-2 number, since 2×404248075² = 326833012282411250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 404248075.

It is not an unprimeable number, because it can be changed into a prime (404248073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 717744 + ... + 718306.

It is an arithmetic number, because the mean of its divisors is an integer number (13078032).

Almost surely, 2^404248075 is an apocalyptic number.

404248075 is a deficient number, since it is larger than the sum of its proper divisors (223497461).

404248075 is a wasteful number, since it uses less digits than its factorization.

404248075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 404248075 is about 20105.9213914707. The cubic root of 404248075 is about 739.4054604886.

The spelling of 404248075 in words is "four hundred four million, two hundred forty-eight thousand, seventy-five".