28226090442480 has 80 divisors (see below), whose sum is σ = 100001006145024. Its totient is φ = 6451677815040.

The previous prime is 28226090442401. The next prime is 28226090442499. The reversal of 28226090442480 is 8424409062282.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8400620476 + ... + 8400623835.

Almost surely, 2^{28226090442480} is an apocalyptic number.

28226090442480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28226090442480 is an abundant number, since it is smaller than the sum of its proper divisors (71774915702544).

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

28226090442480 is a wasteful number, since it uses less digits than its factorization.

28226090442480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16801244334 (or 16801244328 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 51.

The spelling of 28226090442480 in words is "twenty-eight trillion, two hundred twenty-six billion, ninety million, four hundred forty-two thousand, four hundred eighty".