1040926027989 has 4 divisors (see below), whose sum is σ = 1387901370656. Its totient is φ = 693950685324.

The previous prime is 1040926027969. The next prime is 1040926028027. The reversal of 1040926027989 is 9897206290401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1040926027989 - 2²³ = 1040917639381 is a prime.

It is a super-2 number, since 2×1040926027989² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040926027969) 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 3 ways as a sum of consecutive naturals, for example, 173487671329 + ... + 173487671334.

It is an arithmetic number, because the mean of its divisors is an integer number (346975342664).

Almost surely, 2^{1040926027989} is an apocalyptic number.

It is an amenable number.

1040926027989 is a deficient number, since it is larger than the sum of its proper divisors (346975342667).

1040926027989 is an equidigital number, since it uses as much as digits as its factorization.

1040926027989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346975342666.

The product of its (nonzero) digits is 3919104, while the sum is 57.

The spelling of 1040926027989 in words is "one trillion, forty billion, nine hundred twenty-six million, twenty-seven thousand, nine hundred eighty-nine".