1040255188 has 24 divisors (see below), whose sum is σ = 2081225664. Its totient is φ = 445670400.

The previous prime is 1040255179. The next prime is 1040255207. The reversal of 1040255188 is 8815520401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121323 + ... + 129613.

It is an arithmetic number, because the mean of its divisors is an integer number (86717736).

Almost surely, 2^1040255188 is an apocalyptic number.

It is an amenable number.

1040255188 is an abundant number, since it is smaller than the sum of its proper divisors (1040970476).

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

1040255188 is a wasteful number, since it uses less digits than its factorization.

1040255188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12783 (or 12781 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 34.

The square root of 1040255188 is about 32252.9872724993. The cubic root of 1040255188 is about 1013.2422643901.

Adding to 1040255188 its reverse (8815520401), we get a palindrome (9855775589).

The spelling of 1040255188 in words is "one billion, forty million, two hundred fifty-five thousand, one hundred eighty-eight".