1099544730 has 16 divisors (see below), whose sum is σ = 2638907424. Its totient is φ = 293211920.

The previous prime is 1099544707. The next prime is 1099544737. The reversal of 1099544730 is 374459901.

It is a super-2 number, since 2×1099544730² = 2417997226541545800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1099544737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18325716 + ... + 18325775.

It is an arithmetic number, because the mean of its divisors is an integer number (164931714).

Almost surely, 2^1099544730 is an apocalyptic number.

1099544730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1099544730 is an abundant number, since it is smaller than the sum of its proper divisors (1539362694).

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

1099544730 is a wasteful number, since it uses less digits than its factorization.

1099544730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36651501.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 1099544730 is about 33159.3837397500. The cubic root of 1099544730 is about 1032.1376818140.

The spelling of 1099544730 in words is "one billion, ninety-nine million, five hundred forty-four thousand, seven hundred thirty".