28823454340 has 24 divisors (see below), whose sum is σ = 60544373400. Its totient is φ = 11526501888.

The previous prime is 28823454311. The next prime is 28823454367. The reversal of 28823454340 is 4345432882.

It can be written as a sum of positive squares in 4 ways, for example, as 108118404 + 28715335936 = 10398^2 + 169456^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96987 + ... + 258946.

It is an arithmetic number, because the mean of its divisors is an integer number (2522682225).

Almost surely, 2^28823454340 is an apocalyptic number.

28823454340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28823454340 is an abundant number, since it is smaller than the sum of its proper divisors (31720919060).

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

28823454340 is a wasteful number, since it uses less digits than its factorization.

28823454340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359991 (or 359989 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 43.

The spelling of 28823454340 in words is "twenty-eight billion, eight hundred twenty-three million, four hundred fifty-four thousand, three hundred forty".