28240073755 has 8 divisors (see below), whose sum is σ = 33891260400. Its totient is φ = 22589944416.

The previous prime is 28240073747. The next prime is 28240073759. The reversal of 28240073755 is 55737004282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28240073755 - 2³ = 28240073747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28240073759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204325 + ... + 313414.

It is an arithmetic number, because the mean of its divisors is an integer number (4236407550).

Almost surely, 2^28240073755 is an apocalyptic number.

28240073755 is a deficient number, since it is larger than the sum of its proper divisors (5651186645).

28240073755 is a wasteful number, since it uses less digits than its factorization.

28240073755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528653.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 28240073755 in words is "twenty-eight billion, two hundred forty million, seventy-three thousand, seven hundred fifty-five".