1152442130440 has 32 divisors (see below), whose sum is σ = 2594614547160. Its totient is φ = 460688896000.

The previous prime is 1152442130431. The next prime is 1152442130453. The reversal of 1152442130440 is 440312442511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 952080256516 + 200361873924 = 975746^2 + 447618^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8933791 + ... + 9061870.

Almost surely, 2^{1152442130440} is an apocalyptic number.

1152442130440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152442130440 is an abundant number, since it is smaller than the sum of its proper divisors (1442172416720).

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

1152442130440 is a wasteful number, since it uses less digits than its factorization.

1152442130440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17997273 (or 17997269 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 1152442130440 its reverse (440312442511), we get a palindrome (1592754572951).

The spelling of 1152442130440 in words is "one trillion, one hundred fifty-two billion, four hundred forty-two million, one hundred thirty thousand, four hundred forty".