1040235542439 has 8 divisors (see below), whose sum is σ = 1387207341552. Its totient is φ = 693377052480.

The previous prime is 1040235542399. The next prime is 1040235542441. The reversal of 1040235542439 is 9342455320401.

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

It is not a de Polignac number, because 1040235542439 - 2¹⁵ = 1040235509671 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040235542439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040235542039) 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, 28305864 + ... + 28342589.

It is an arithmetic number, because the mean of its divisors is an integer number (173400917694).

Almost surely, 2^{1040235542439} is an apocalyptic number.

1040235542439 is a deficient number, since it is larger than the sum of its proper divisors (346971799113).

1040235542439 is an equidigital number, since it uses as much as digits as its factorization.

1040235542439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56654577.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 1040235542439 in words is "one trillion, forty billion, two hundred thirty-five million, five hundred forty-two thousand, four hundred thirty-nine".