1240234404 has 24 divisors (see below), whose sum is σ = 2894568768. Its totient is φ = 413313120.

The previous prime is 1240234403. The next prime is 1240234417. The reversal of 1240234404 is 4044320421.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1240234403) 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, 54969 + ... + 74175.

It is an arithmetic number, because the mean of its divisors is an integer number (120607032).

Almost surely, 2^1240234404 is an apocalyptic number.

It is an amenable number.

1240234404 is an abundant number, since it is smaller than the sum of its proper divisors (1654334364).

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

1240234404 is a wasteful number, since it uses less digits than its factorization.

1240234404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24595 (or 24593 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1240234404 is about 35216.9618791854. The cubic root of 1240234404 is about 1074.4047626665.

Adding to 1240234404 its reverse (4044320421), we get a palindrome (5284554825).

The spelling of 1240234404 in words is "one billion, two hundred forty million, two hundred thirty-four thousand, four hundred four".