1099055442 has 16 divisors (see below), whose sum is σ = 2228222880. Its totient is φ = 361333152.

The previous prime is 1099055417. The next prime is 1099055497. The reversal of 1099055442 is 2445509901.

It is a self number, because there is not a number n which added to its sum of digits gives 1099055442.

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, 1254192 + ... + 1255067.

It is an arithmetic number, because the mean of its divisors is an integer number (139263930).

Almost surely, 2^1099055442 is an apocalyptic number.

1099055442 is an abundant number, since it is smaller than the sum of its proper divisors (1129167438).

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

1099055442 is a wasteful number, since it uses less digits than its factorization.

1099055442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509337.

The product of its (nonzero) digits is 64800, while the sum is 39.

The square root of 1099055442 is about 33152.0050977313. The cubic root of 1099055442 is about 1031.9845616193.

The spelling of 1099055442 in words is "one billion, ninety-nine million, fifty-five thousand, four hundred forty-two".