28480880802 has 32 divisors (see below), whose sum is σ = 64282870080. Its totient is φ = 8332963520.

The previous prime is 28480880783. The next prime is 28480880807. The reversal of 28480880802 is 20808808482.

It is a super-2 number, since 2×28480880802² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28480880807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7438233 + ... + 7442060.

It is an arithmetic number, because the mean of its divisors is an integer number (2008839690).

Almost surely, 2^28480880802 is an apocalyptic number.

28480880802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28480880802 is an abundant number, since it is smaller than the sum of its proper divisors (35801989278).

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

28480880802 is a wasteful number, since it uses less digits than its factorization.

28480880802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14880338.

The product of its (nonzero) digits is 524288, while the sum is 48.

The spelling of 28480880802 in words is "twenty-eight billion, four hundred eighty million, eight hundred eighty thousand, eight hundred two".