240404000 has 48 divisors (see below), whose sum is σ = 590682456. Its totient is φ = 96160000.

The previous prime is 240403963. The next prime is 240404009. The reversal of 240404000 is 404042.

240404000 is nontrivially palindromic in base 9.

It can be written as a sum of positive squares in 4 ways, for example, as 69422224 + 170981776 = 8332^2 + 13076^2 .

It is not an unprimeable number, because it can be changed into a prime (240404009) 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, 26051 + ... + 34050.

Almost surely, 2^240404000 is an apocalyptic number.

240404000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240404000 is an abundant number, since it is smaller than the sum of its proper divisors (350278456).

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

240404000 is an equidigital number, since it uses as much as digits as its factorization.

240404000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60126 (or 60108 counting only the distinct ones).

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

The square root of 240404000 is about 15504.9669461112. The cubic root of 240404000 is about 621.7950062506.

Adding to 240404000 its reverse (404042), we get a palindrome (240808042).

The spelling of 240404000 in words is "two hundred forty million, four hundred four thousand".