1090109910 has 48 divisors (see below), whose sum is σ = 2689687728. Its totient is φ = 282553920.

The previous prime is 1090109893. The next prime is 1090109929. The reversal of 1090109910 is 199010901.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1099515 + ... + 1100505.

It is an arithmetic number, because the mean of its divisors is an integer number (56035161).

Almost surely, 2^1090109910 is an apocalyptic number.

1090109910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1090109910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344843864).

1090109910 is an abundant number, since it is smaller than the sum of its proper divisors (1599577818).

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

1090109910 is an frugal number, since it uses more digits than its factorization.

1090109910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029 (or 1038 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 30.

The square root of 1090109910 is about 33016.8125354341. The cubic root of 1090109910 is about 1029.1770565552.

The spelling of 1090109910 in words is "one billion, ninety million, one hundred nine thousand, nine hundred ten".