1240042040335 has 24 divisors (see below), whose sum is σ = 1734736274496. Its totient is φ = 848477931840.

The previous prime is 1240042040299. The next prime is 1240042040389. The reversal of 1240042040335 is 5330402400421.

It is a happy number.

It is not a de Polignac number, because 1240042040335 - 2³⁹ = 690286226447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5352436 + ... + 5579305.

It is an arithmetic number, because the mean of its divisors is an integer number (72280678104).

Almost surely, 2^{1240042040335} is an apocalyptic number.

1240042040335 is a deficient number, since it is larger than the sum of its proper divisors (494694234161).

1240042040335 is a wasteful number, since it uses less digits than its factorization.

1240042040335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10932223 (or 10932216 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 1240042040335 its reverse (5330402400421), we get a palindrome (6570444440756).

The spelling of 1240042040335 in words is "one trillion, two hundred forty billion, forty-two million, forty thousand, three hundred thirty-five".