1088138450 has 24 divisors (see below), whose sum is σ = 2313072192. Its totient is φ = 373075920.

The previous prime is 1088138449. The next prime is 1088138473. The reversal of 1088138450 is 548318801.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1554134 + ... + 1554833.

It is an arithmetic number, because the mean of its divisors is an integer number (96378008).

Almost surely, 2^1088138450 is an apocalyptic number.

1088138450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1088138450 is an abundant number, since it is smaller than the sum of its proper divisors (1224933742).

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

1088138450 is a wasteful number, since it uses less digits than its factorization.

1088138450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108986 (or 3108981 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 1088138450 is about 32986.9436292604. The cubic root of 1088138450 is about 1028.5562611208.

The spelling of 1088138450 in words is "one billion, eighty-eight million, one hundred thirty-eight thousand, four hundred fifty".