1089274090 has 16 divisors (see below), whose sum is σ = 1961208288. Its totient is φ = 435595216.

The previous prime is 1089274057. The next prime is 1089274097. The reversal of 1089274090 is 904729801.

It is not an unprimeable number, because it can be changed into a prime (1089274097) 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, 33189 + ... + 57271.

It is an arithmetic number, because the mean of its divisors is an integer number (122575518).

Almost surely, 2^1089274090 is an apocalyptic number.

1089274090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1089274090 is a deficient number, since it is larger than the sum of its proper divisors (871934198).

1089274090 is a wasteful number, since it uses less digits than its factorization.

1089274090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28613.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1089274090 is about 33004.1526175116. The cubic root of 1089274090 is about 1028.9139556508.

The spelling of 1089274090 in words is "one billion, eighty-nine million, two hundred seventy-four thousand, ninety".