28132262818 has 8 divisors (see below), whose sum is σ = 46034611920. Its totient is φ = 12787392180.

The previous prime is 28132262797. The next prime is 28132262827. The reversal of 28132262818 is 81826223182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28132262818² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639369588 + ... + 639369631.

It is an arithmetic number, because the mean of its divisors is an integer number (5754326490).

Almost surely, 2^28132262818 is an apocalyptic number.

28132262818 is a deficient number, since it is larger than the sum of its proper divisors (17902349102).

28132262818 is a wasteful number, since it uses less digits than its factorization.

28132262818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278739232.

The product of its digits is 147456, while the sum is 43.

The spelling of 28132262818 in words is "twenty-eight billion, one hundred thirty-two million, two hundred sixty-two thousand, eight hundred eighteen".