1240204535044 has 24 divisors (see below), whose sum is σ = 2172738556800. Its totient is φ = 619422393120.

The previous prime is 1240204535041. The next prime is 1240204535111. The reversal of 1240204535044 is 4405354020421.

It is not an unprimeable number, because it can be changed into a prime (1240204535041) 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, 17434389 + ... + 17505379.

It is an arithmetic number, because the mean of its divisors is an integer number (90530773200).

Almost surely, 2^{1240204535044} is an apocalyptic number.

It is an amenable number.

1240204535044 is a deficient number, since it is larger than the sum of its proper divisors (932534021756).

1240204535044 is a wasteful number, since it uses less digits than its factorization.

1240204535044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75723 (or 75721 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 1240204535044 its reverse (4405354020421), we get a palindrome (5645558555465).

The spelling of 1240204535044 in words is "one trillion, two hundred forty billion, two hundred four million, five hundred thirty-five thousand, forty-four".