1240404118 has 8 divisors (see below), whose sum is σ = 1871361648. Its totient is φ = 616616904.

The previous prime is 1240404107. The next prime is 1240404149. The reversal of 1240404118 is 8114040421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1240404092 and 1240404101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1792146 + ... + 1792837.

It is an arithmetic number, because the mean of its divisors is an integer number (233920206).

Almost surely, 2^1240404118 is an apocalyptic number.

1240404118 is a deficient number, since it is larger than the sum of its proper divisors (630957530).

1240404118 is a wasteful number, since it uses less digits than its factorization.

1240404118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585158.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1240404118 is about 35219.3713458943. The cubic root of 1240404118 is about 1074.4537677074.

Adding to 1240404118 its reverse (8114040421), we get a palindrome (9354444539).

The spelling of 1240404118 in words is "one billion, two hundred forty million, four hundred four thousand, one hundred eighteen".