28044209027620 has 48 divisors (see below), whose sum is σ = 60168069416448. Its totient is φ = 10974958693760.

The previous prime is 28044209027567. The next prime is 28044209027629. The reversal of 28044209027620 is 2672090244082.

It is not an unprimeable number, because it can be changed into a prime (28044209027629) 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, 2954107 + ... + 8050786.

It is an arithmetic number, because the mean of its divisors is an integer number (1253501446176).

Almost surely, 2^{28044209027620} is an apocalyptic number.

28044209027620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28044209027620 is an abundant number, since it is smaller than the sum of its proper divisors (32123860388828).

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

28044209027620 is a wasteful number, since it uses less digits than its factorization.

28044209027620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11007660 (or 11007658 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 28044209027620 in words is "twenty-eight trillion, forty-four billion, two hundred nine million, twenty-seven thousand, six hundred twenty".