28830559240 has 96 divisors (see below), whose sum is σ = 77893920000. Its totient is φ = 9565879680.

The previous prime is 28830559213. The next prime is 28830559279. The reversal of 28830559240 is 4295503882.

It is a super-2 number, since 2×28830559240² (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 23 ways as a sum of consecutive naturals, for example, 176490 + ... + 298009.

It is an arithmetic number, because the mean of its divisors is an integer number (811395000).

Almost surely, 2^28830559240 is an apocalyptic number.

28830559240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28830559240 is an abundant number, since it is smaller than the sum of its proper divisors (49063360760).

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

28830559240 is a wasteful number, since it uses less digits than its factorization.

28830559240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474555 (or 474544 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

It can be divided in two parts, 28830 and 559240, that added together give a triangular number (588070 = T₁₀₈₄).

The spelling of 28830559240 in words is "twenty-eight billion, eight hundred thirty million, five hundred fifty-nine thousand, two hundred forty".