1240041020434 has 8 divisors (see below), whose sum is σ = 1860067875888. Its totient is φ = 620018395140.

The previous prime is 1240041020381. The next prime is 1240041020437. The reversal of 1240041020434 is 4340201400421.

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 = 1240041020399 and 1240041020408.

It is not an unprimeable number, because it can be changed into a prime (1240041020437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178572 + ... + 1584919.

It is an arithmetic number, because the mean of its divisors is an integer number (232508484486).

Almost surely, 2^{1240041020434} is an apocalyptic number.

1240041020434 is a deficient number, since it is larger than the sum of its proper divisors (620026855454).

1240041020434 is a wasteful number, since it uses less digits than its factorization.

1240041020434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115080.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1240041020434 its reverse (4340201400421), we get a palindrome (5580242420855).

The spelling of 1240041020434 in words is "one trillion, two hundred forty billion, forty-one million, twenty thousand, four hundred thirty-four".