8180130402 has 24 divisors (see below), whose sum is σ = 18024018480. Its totient is φ = 2680494360.

The previous prime is 8180130391. The next prime is 8180130403. The reversal of 8180130402 is 2040310818.

It is not an unprimeable number, because it can be changed into a prime (8180130403) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 3850224 + ... + 3852347.

It is an arithmetic number, because the mean of its divisors is an integer number (751000770).

Almost surely, 2^8180130402 is an apocalyptic number.

8180130402 is an abundant number, since it is smaller than the sum of its proper divisors (9843888078).

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

8180130402 is a wasteful number, since it uses less digits than its factorization.

8180130402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7702638 (or 7702635 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 8180130402 is about 90444.0733381685. The cubic root of 8180130402 is about 2014.8995922687.

The spelling of 8180130402 in words is "eight billion, one hundred eighty million, one hundred thirty thousand, four hundred two".