1040021100433 has 6 divisors (see below), whose sum is σ = 1209820463826. Its totient is φ = 891446657472.

The previous prime is 1040021100431. The next prime is 1040021100497. The reversal of 1040021100433 is 3340011200401.

It can be written as a sum of positive squares in only one way, i.e., 746102067984 + 293919032449 = 863772^2 + 542143^2 .

It is not a de Polignac number, because 1040021100433 - 2¹ = 1040021100431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040021100433.

It is not an unprimeable number, because it can be changed into a prime (1040021100431) 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 5 ways as a sum of consecutive naturals, for example, 10612460160 + ... + 10612460257.

It is an arithmetic number, because the mean of its divisors is an integer number (201636743971).

Almost surely, 2^{1040021100433} is an apocalyptic number.

It is an amenable number.

1040021100433 is a deficient number, since it is larger than the sum of its proper divisors (169799363393).

1040021100433 is an equidigital number, since it uses as much as digits as its factorization.

1040021100433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21224920431 (or 21224920424 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1040021100433 its reverse (3340011200401), we get a palindrome (4380032300834).

The spelling of 1040021100433 in words is "one trillion, forty billion, twenty-one million, one hundred thousand, four hundred thirty-three".