1040788825 has 12 divisors (see below), whose sum is σ = 1314930348. Its totient is φ = 816920000.

The previous prime is 1040788811. The next prime is 1040788829. The reversal of 1040788825 is 5288870401.

1040788825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 6330256 + 1034458569 = 2516^2 + 32163^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1040788825 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040788829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391426 + ... + 394075.

It is an arithmetic number, because the mean of its divisors is an integer number (109577529).

Almost surely, 2^1040788825 is an apocalyptic number.

It is an amenable number.

1040788825 is a deficient number, since it is larger than the sum of its proper divisors (274141523).

1040788825 is an equidigital number, since it uses as much as digits as its factorization.

1040788825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785564 (or 785559 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 43.

The square root of 1040788825 is about 32261.2588874024. The cubic root of 1040788825 is about 1013.4154946823.

The spelling of 1040788825 in words is "one billion, forty million, seven hundred eighty-eight thousand, eight hundred twenty-five".