1080327636 has 18 divisors (see below), whose sum is σ = 2730828282. Its totient is φ = 360109200.

The previous prime is 1080327617. The next prime is 1080327643. The reversal of 1080327636 is 6367230801.

It is a happy number.

1080327636 is a `hidden beast` number, since 10 + 8 + 0 + 3 + 2 + 7 + 636 = 666.

It can be written as a sum of positive squares in only one way, i.e., 954439236 + 125888400 = 30894^2 + 11220^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1080327636² = 2334215602210696992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 30009101 = 1080327636 / (1 + 0 + 8 + 0 + 3 + 2 + 7 + 6 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 1080327636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15004515 + ... + 15004586.

Almost surely, 2^1080327636 is an apocalyptic number.

It is an amenable number.

1080327636 is an abundant number, since it is smaller than the sum of its proper divisors (1650500646).

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

1080327636 is a wasteful number, since it uses less digits than its factorization.

1080327636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30009111 (or 30009106 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1080327636 is about 32868.3378953059. The cubic root of 1080327636 is about 1026.0893074570.

The spelling of 1080327636 in words is "one billion, eighty million, three hundred twenty-seven thousand, six hundred thirty-six".