28030942757380 has 48 divisors (see below), whose sum is σ = 59639932800000. Its totient is φ = 11064909038976.

The previous prime is 28030942757371. The next prime is 28030942757381. The reversal of 28030942757380 is 8375724903082.

It is not an unprimeable number, because it can be changed into a prime (28030942757381) 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, 1279075 + ... + 7595914.

It is an arithmetic number, because the mean of its divisors is an integer number (1242498600000).

Almost surely, 2^{28030942757380} is an apocalyptic number.

28030942757380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28030942757380 is an abundant number, since it is smaller than the sum of its proper divisors (31608990042620).

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

28030942757380 is a wasteful number, since it uses less digits than its factorization.

28030942757380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8877076 (or 8877074 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 28030942757380 in words is "twenty-eight trillion, thirty billion, nine hundred forty-two million, seven hundred fifty-seven thousand, three hundred eighty".