1040242034021 has 8 divisors (see below), whose sum is σ = 1063823720280. Its totient is φ = 1016912558592.

The previous prime is 1040242033981. The next prime is 1040242034023. The reversal of 1040242034021 is 1204302420401.

It can be written as a sum of positive squares in 4 ways, for example, as 68609944225 + 971632089796 = 261935^2 + 985714^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1040242034021 - 2¹⁴ = 1040242017637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040242034023) 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, 63044366 + ... + 63060863.

It is an arithmetic number, because the mean of its divisors is an integer number (132977965035).

Almost surely, 2^{1040242034021} is an apocalyptic number.

It is an amenable number.

1040242034021 is a deficient number, since it is larger than the sum of its proper divisors (23581686259).

1040242034021 is a wasteful number, since it uses less digits than its factorization.

1040242034021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126105415.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1040242034021 its reverse (1204302420401), we get a palindrome (2244544454422).

The spelling of 1040242034021 in words is "one trillion, forty billion, two hundred forty-two million, thirty-four thousand, twenty-one".