1099950180 has 96 divisors (see below), whose sum is σ = 3564503040. Its totient is φ = 248227200.

The previous prime is 1099950179. The next prime is 1099950209. The reversal of 1099950180 is 810599901.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16605 + ... + 49755.

It is an arithmetic number, because the mean of its divisors is an integer number (37130240).

Almost surely, 2^1099950180 is an apocalyptic number.

1099950180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1099950180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782251520).

1099950180 is an abundant number, since it is smaller than the sum of its proper divisors (2464552860).

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

1099950180 is a wasteful number, since it uses less digits than its factorization.

1099950180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33249 (or 33247 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 42.

The square root of 1099950180 is about 33165.4968302904. The cubic root of 1099950180 is about 1032.2645309195.

The spelling of 1099950180 in words is "one billion, ninety-nine million, nine hundred fifty thousand, one hundred eighty".