28830837240 has 96 divisors (see below), whose sum is σ = 93745332720. Its totient is φ = 7684521984.

The previous prime is 28830837227. The next prime is 28830837257. The reversal of 28830837240 is 4273803882.

It is a super-3 number, since 3×28830837240³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 774904 + ... + 811256.

Almost surely, 2^28830837240 is an apocalyptic number.

28830837240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28830837240 is an abundant number, since it is smaller than the sum of its proper divisors (64914495480).

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

28830837240 is a wasteful number, since it uses less digits than its factorization.

28830837240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38573 (or 38566 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The spelling of 28830837240 in words is "twenty-eight billion, eight hundred thirty million, eight hundred thirty-seven thousand, two hundred forty".