1240434411 has 8 divisors (see below), whose sum is σ = 1662572544. Its totient is φ = 822626280.

The previous prime is 1240434407. The next prime is 1240434431. The reversal of 1240434411 is 1144340421.

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

It is not a de Polignac number, because 1240434411 - 2² = 1240434407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1240434431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081831 + ... + 1082976.

It is an arithmetic number, because the mean of its divisors is an integer number (207821568).

Almost surely, 2^1240434411 is an apocalyptic number.

1240434411 is a deficient number, since it is larger than the sum of its proper divisors (422138133).

1240434411 is a wasteful number, since it uses less digits than its factorization.

1240434411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165001.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1240434411 is about 35219.8014048915. The cubic root of 1240434411 is about 1074.4625143631.

Adding to 1240434411 its reverse (1144340421), we get a palindrome (2384774832).

The spelling of 1240434411 in words is "one billion, two hundred forty million, four hundred thirty-four thousand, four hundred eleven".