28226480825040 has 80 divisors (see below), whose sum is σ = 87916792566336. Its totient is φ = 7491388262400.

The previous prime is 28226480825009. The next prime is 28226480825063. The reversal of 28226480825040 is 4052808462282.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278646841 + ... + 278748120.

Almost surely, 2^{28226480825040} is an apocalyptic number.

28226480825040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28226480825040 is an abundant number, since it is smaller than the sum of its proper divisors (59690311741296).

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

28226480825040 is a wasteful number, since it uses less digits than its factorization.

28226480825040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557395188 (or 557395182 counting only the distinct ones).

The product of its (nonzero) digits is 3932160, while the sum is 51.

The spelling of 28226480825040 in words is "twenty-eight trillion, two hundred twenty-six billion, four hundred eighty million, eight hundred twenty-five thousand, forty".