1090910190 has 16 divisors (see below), whose sum is σ = 2618184528. Its totient is φ = 290909376.

The previous prime is 1090910167. The next prime is 1090910207. The reversal of 1090910190 is 910190901.

It is a super-2 number, since 2×1090910190² = 2380170085291672200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 36363673 = 1090910190 / (1 + 0 + 9 + 0 + 9 + 1 + 0 + 1 + 9 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18181807 + ... + 18181866.

It is an arithmetic number, because the mean of its divisors is an integer number (163636533).

Almost surely, 2^1090910190 is an apocalyptic number.

1090910190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1090910190 is an abundant number, since it is smaller than the sum of its proper divisors (1527274338).

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

1090910190 is a wasteful number, since it uses less digits than its factorization.

1090910190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36363683.

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

The square root of 1090910190 is about 33028.9295921015. The cubic root of 1090910190 is about 1029.4288441165.

The spelling of 1090910190 in words is "one billion, ninety million, nine hundred ten thousand, one hundred ninety".