1090840850 has 24 divisors (see below), whose sum is σ = 2213416368. Its totient is φ = 396669200.

The previous prime is 1090840837. The next prime is 1090840873. The reversal of 1090840850 is 580480901.

It is a self number, because there is not a number n which added to its sum of digits gives 1090840850.

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, 991124 + ... + 992223.

It is an arithmetic number, because the mean of its divisors is an integer number (92225682).

Almost surely, 2^1090840850 is an apocalyptic number.

1090840850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1090840850 is an abundant number, since it is smaller than the sum of its proper divisors (1122575518).

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

1090840850 is a wasteful number, since it uses less digits than its factorization.

1090840850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983370 (or 1983365 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1090840850 is about 33027.8798895721. The cubic root of 1090840850 is about 1029.4070329386.

The spelling of 1090840850 in words is "one billion, ninety million, eight hundred forty thousand, eight hundred fifty".