2816180432 has 20 divisors (see below), whose sum is σ = 5876069220. Its totient is φ = 1299775488.

The previous prime is 2816180431. The next prime is 2816180447. The reversal of 2816180432 is 2340816182.

It can be written as a sum of positive squares in 2 ways, for example, as 1790643856 + 1025536576 = 42316^2 + 32024^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2816180392 and 2816180401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2816180431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6769457 + ... + 6769872.

It is an arithmetic number, because the mean of its divisors is an integer number (293803461).

Almost surely, 2^2816180432 is an apocalyptic number.

It is an amenable number.

2816180432 is an abundant number, since it is smaller than the sum of its proper divisors (3059888788).

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

2816180432 is a wasteful number, since it uses less digits than its factorization.

2816180432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13539350 (or 13539344 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 2816180432 is about 53067.6966901711. The cubic root of 2816180432 is about 1412.1694938940.

The spelling of 2816180432 in words is "two billion, eight hundred sixteen million, one hundred eighty thousand, four hundred thirty-two".