28818110152740 has 48 divisors (see below), whose sum is σ = 83293634511360. Its totient is φ = 7436931651840.

The previous prime is 28818110152673. The next prime is 28818110152757. The reversal of 28818110152740 is 4725101181882.

It is a super-2 number, since 2×28818110152740² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28818110152740.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7746801945 + ... + 7746805664.

It is an arithmetic number, because the mean of its divisors is an integer number (1735284052320).

Almost surely, 2^{28818110152740} is an apocalyptic number.

28818110152740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28818110152740 is an abundant number, since it is smaller than the sum of its proper divisors (54475524358620).

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

28818110152740 is a wasteful number, since it uses less digits than its factorization.

28818110152740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15493607652 (or 15493607650 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 48.

The spelling of 28818110152740 in words is "twenty-eight trillion, eight hundred eighteen billion, one hundred ten million, one hundred fifty-two thousand, seven hundred forty".