1802040116 has 6 divisors (see below), whose sum is σ = 3153570210. Its totient is φ = 901020056.

The previous prime is 1802040083. The next prime is 1802040131. The reversal of 1802040116 is 6110402081.

It can be written as a sum of positive squares in only one way, i.e., 1360872100 + 441168016 = 36890^2 + 21004^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1802040091 and 1802040100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225255011 + ... + 225255018.

It is an arithmetic number, because the mean of its divisors is an integer number (525595035).

Almost surely, 2^1802040116 is an apocalyptic number.

It is an amenable number.

1802040116 is a deficient number, since it is larger than the sum of its proper divisors (1351530094).

1802040116 is a wasteful number, since it uses less digits than its factorization.

1802040116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450510033 (or 450510031 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1802040116 is about 42450.4430601142. The cubic root of 1802040116 is about 1216.8997958803.

Adding to 1802040116 its reverse (6110402081), we get a palindrome (7912442197).

The spelling of 1802040116 in words is "one billion, eight hundred two million, forty thousand, one hundred sixteen".