1109457290 has 16 divisors (see below), whose sum is σ = 2016413568. Its totient is φ = 439473936.

The previous prime is 1109457287. The next prime is 1109457317. The reversal of 1109457290 is 927549011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537542 + ... + 539601.

It is an arithmetic number, because the mean of its divisors is an integer number (126025848).

Almost surely, 2^1109457290 is an apocalyptic number.

1109457290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1109457290 is a deficient number, since it is larger than the sum of its proper divisors (906956278).

1109457290 is a wasteful number, since it uses less digits than its factorization.

1109457290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077253.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 1109457290 is about 33308.5167787459. The cubic root of 1109457290 is about 1035.2300328087.

The spelling of 1109457290 in words is "one billion, one hundred nine million, four hundred fifty-seven thousand, two hundred ninety".