1092008990 has 16 divisors (see below), whose sum is σ = 1966235040. Its totient is φ = 436666080.

The previous prime is 1092008989. The next prime is 1092008999. The reversal of 1092008990 is 998002901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1092008999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19991 + ... + 50829.

It is an arithmetic number, because the mean of its divisors is an integer number (122889690).

Almost surely, 2^1092008990 is an apocalyptic number.

1092008990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1092008990 is a deficient number, since it is larger than the sum of its proper divisors (874226050).

1092008990 is a wasteful number, since it uses less digits than its factorization.

1092008990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34387.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 1092008990 is about 33045.5593083246. The cubic root of 1092008990 is about 1029.7743528071.

The spelling of 1092008990 in words is "one billion, ninety-two million, eight thousand, nine hundred ninety".