1799180055 has 24 divisors (see below), whose sum is σ = 3169707840. Its totient is φ = 943830720.

The previous prime is 1799180041. The next prime is 1799180063. The reversal of 1799180055 is 5500819971.

It is not a de Polignac number, because 1799180055 - 2⁷ = 1799179927 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324975 + ... + 330464.

It is an arithmetic number, because the mean of its divisors is an integer number (132071160).

Almost surely, 2^1799180055 is an apocalyptic number.

1799180055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1799180055 is a deficient number, since it is larger than the sum of its proper divisors (1370527785).

1799180055 is a wasteful number, since it uses less digits than its factorization.

1799180055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655511 (or 655508 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 45.

The square root of 1799180055 is about 42416.7426259962. The cubic root of 1799180055 is about 1216.2556647239.

The spelling of 1799180055 in words is "one billion, seven hundred ninety-nine million, one hundred eighty thousand, fifty-five".