1138832288 has 24 divisors (see below), whose sum is σ = 2445901920. Its totient is φ = 517650880.

The previous prime is 1138832269. The next prime is 1138832297. The reversal of 1138832288 is 8822388311.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1617308 + ... + 1618011.

It is an arithmetic number, because the mean of its divisors is an integer number (101912580).

Almost surely, 2^1138832288 is an apocalyptic number.

It is an amenable number.

1138832288 is an abundant number, since it is smaller than the sum of its proper divisors (1307069632).

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

1138832288 is a wasteful number, since it uses less digits than its factorization.

1138832288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235340 (or 3235332 counting only the distinct ones).

The product of its digits is 147456, while the sum is 44.

The square root of 1138832288 is about 33746.5892795109. The cubic root of 1138832288 is about 1044.2871256571.

The spelling of 1138832288 in words is "one billion, one hundred thirty-eight million, eight hundred thirty-two thousand, two hundred eighty-eight".