28760632320 has 704 divisors, whose sum is σ = 110361139200. Its totient is φ = 6387204096.

The previous prime is 28760632297. The next prime is 28760632343. The reversal of 28760632320 is 2323606782.

It is an interprime number because it is at equal distance from previous prime (28760632297) and next prime (28760632343).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 279229389 + ... + 279229491.

Almost surely, 2^28760632320 is an apocalyptic number.

28760632320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28760632320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55180569600).

28760632320 is an abundant number, since it is smaller than the sum of its proper divisors (81600506880).

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

28760632320 is a wasteful number, since it uses less digits than its factorization.

28760632320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 28760632320 in words is "twenty-eight billion, seven hundred sixty million, six hundred thirty-two thousand, three hundred twenty".