28035280960 has 56 divisors (see below), whose sum is σ = 66837565080. Its totient is φ = 11200917504.

The previous prime is 28035280829. The next prime is 28035280967. The reversal of 28035280960 is 6908253082.

It can be written as a sum of positive squares in 4 ways, for example, as 9877179456 + 18158101504 = 99384^2 + 134752^2 .

It is a super-2 number, since 2×28035280960² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (28035280967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223126 + ... + 325354.

Almost surely, 2^28035280960 is an apocalyptic number.

28035280960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28035280960 is an abundant number, since it is smaller than the sum of its proper divisors (38802284120).

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

28035280960 is a wasteful number, since it uses less digits than its factorization.

28035280960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103103 (or 103093 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 28035280960 in words is "twenty-eight billion, thirty-five million, two hundred eighty thousand, nine hundred sixty".