1152889944 has 16 divisors (see below), whose sum is σ = 2882224920. Its totient is φ = 384296640.

The previous prime is 1152889889. The next prime is 1152889957. The reversal of 1152889944 is 4499882511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24018517 + ... + 24018564.

Almost surely, 2^1152889944 is an apocalyptic number.

It is an amenable number.

1152889944 is an abundant number, since it is smaller than the sum of its proper divisors (1729334976).

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

1152889944 is a wasteful number, since it uses less digits than its factorization.

1152889944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48037090 (or 48037086 counting only the distinct ones).

The product of its digits is 829440, while the sum is 51.

The square root of 1152889944 is about 33954.2330792495. The cubic root of 1152889944 is about 1048.5664318445.

The spelling of 1152889944 in words is "one billion, one hundred fifty-two million, eight hundred eighty-nine thousand, nine hundred forty-four".