240000404 has 24 divisors (see below), whose sum is σ = 496554240. Its totient is φ = 99310176.

The previous prime is 240000401. The next prime is 240000437. The reversal of 240000404 is 404000042.

240000404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240000401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146972 + ... + 148595.

It is an arithmetic number, because the mean of its divisors is an integer number (20689760).

Almost surely, 2^240000404 is an apocalyptic number.

It is an amenable number.

240000404 is an abundant number, since it is smaller than the sum of its proper divisors (256553836).

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

240000404 is a wasteful number, since it uses less digits than its factorization.

240000404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295607 (or 295605 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 240000404 is about 15491.9464238681. The cubic root of 240000404 is about 621.4468498911.

Adding to 240000404 its reverse (404000042), we get a palindrome (644000446).

The spelling of 240000404 in words is "two hundred forty million, four hundred four", and thus it is an aban number.