28113816290 has 32 divisors (see below), whose sum is σ = 57840082560. Its totient is φ = 9638031744.

The previous prime is 28113816271. The next prime is 28113816293. The reversal of 28113816290 is 9261831182.

It is not an unprimeable number, because it can be changed into a prime (28113816293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1085006 + ... + 1110614.

It is an arithmetic number, because the mean of its divisors is an integer number (1807502580).

Almost surely, 2^28113816290 is an apocalyptic number.

28113816290 is an abundant number, since it is smaller than the sum of its proper divisors (29726266270).

28113816290 is a wasteful number, since it uses less digits than its factorization.

28113816290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41306.

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 28113816290 in words is "twenty-eight billion, one hundred thirteen million, eight hundred sixteen thousand, two hundred ninety".