180940300 has 18 divisors (see below), whose sum is σ = 392640668. Its totient is φ = 72376080.

The previous prime is 180940289. The next prime is 180940303. The reversal of 180940300 is 3049081.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (180940303) 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 5 ways as a sum of consecutive naturals, for example, 904602 + ... + 904801.

Almost surely, 2^180940300 is an apocalyptic number.

180940300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180940300 is an abundant number, since it is smaller than the sum of its proper divisors (211700368).

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

180940300 is a wasteful number, since it uses less digits than its factorization.

180940300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809417 (or 1809410 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 180940300 is about 13451.4051310634. The cubic root of 180940300 is about 565.6030838145.

Adding to 180940300 its reverse (3049081), we get a palindrome (183989381).

The spelling of 180940300 in words is "one hundred eighty million, nine hundred forty thousand, three hundred".