1040392390026 has 16 divisors (see below), whose sum is σ = 2269947032928. Its totient is φ = 315270421200.

The previous prime is 1040392390021. The next prime is 1040392390033. The reversal of 1040392390026 is 6200932930401.

It is not an unprimeable number, because it can be changed into a prime (1040392390021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7881760465 + ... + 7881760596.

It is an arithmetic number, because the mean of its divisors is an integer number (141871689558).

Almost surely, 2^{1040392390026} is an apocalyptic number.

1040392390026 is an abundant number, since it is smaller than the sum of its proper divisors (1229554642902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1040392390026 is a wasteful number, since it uses less digits than its factorization.

1040392390026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15763521077.

The product of its (nonzero) digits is 69984, while the sum is 39.

It can be divided in two parts, 10403 and 92390026, that added together give a palindrome (92400429).

The spelling of 1040392390026 in words is "one trillion, forty billion, three hundred ninety-two million, three hundred ninety thousand, twenty-six".