1090481900 has 36 divisors (see below), whose sum is σ = 2399690160. Its totient is φ = 430046400.

The previous prime is 1090481863. The next prime is 1090481927. The reversal of 1090481900 is 91840901.

It is a super-2 number, since 2×1090481900² = 2378301548455220000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69695 + ... + 83894.

It is an arithmetic number, because the mean of its divisors is an integer number (66658060).

Almost surely, 2^1090481900 is an apocalyptic number.

1090481900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1090481900 is an abundant number, since it is smaller than the sum of its proper divisors (1309208260).

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

1090481900 is a wasteful number, since it uses less digits than its factorization.

1090481900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153674 (or 153667 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1090481900 is about 33022.4453970326. The cubic root of 1090481900 is about 1029.2941089829.

The spelling of 1090481900 in words is "one billion, ninety million, four hundred eighty-one thousand, nine hundred".