3180400180 has 24 divisors (see below), whose sum is σ = 6680043720. Its totient is φ = 1271930880.

The previous prime is 3180400169. The next prime is 3180400229. The reversal of 3180400180 is 810040813.

It can be written as a sum of positive squares in 4 ways, for example, as 387066276 + 2793333904 = 19674^2 + 52852^2 .

It is a super-2 number, since 2×3180400180² = 20229890609888064800, which contains 22 as substring.

It is a congruent number.

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, 140020 + ... + 161140.

It is an arithmetic number, because the mean of its divisors is an integer number (278335155).

Almost surely, 2^3180400180 is an apocalyptic number.

It is an amenable number.

3180400180 is an abundant number, since it is smaller than the sum of its proper divisors (3499643540).

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

3180400180 is a wasteful number, since it uses less digits than its factorization.

3180400180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28659 (or 28657 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 3180400180 is about 56395.0368383602. The cubic root of 3180400180 is about 1470.5978378774.

Adding to 3180400180 its reverse (810040813), we get a palindrome (3990440993).

The spelling of 3180400180 in words is "three billion, one hundred eighty million, four hundred thousand, one hundred eighty".