30028360557 has 8 divisors (see below), whose sum is σ = 43117645984. Its totient is φ = 18478991088.

The previous prime is 30028360541. The next prime is 30028360559. The reversal of 30028360557 is 75506382003.

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

It is not a de Polignac number, because 30028360557 - 2⁴ = 30028360541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 769957963 = 30028360557 / (3 + 0 + 0 + 2 + 8 + 3 + 6 + 0 + 5 + 5 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30028360559) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 384978943 + ... + 384979020.

It is an arithmetic number, because the mean of its divisors is an integer number (5389705748).

Almost surely, 2^30028360557 is an apocalyptic number.

It is an amenable number.

30028360557 is a deficient number, since it is larger than the sum of its proper divisors (13089285427).

30028360557 is a wasteful number, since it uses less digits than its factorization.

30028360557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769957979.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 30028360557 in words is "thirty billion, twenty-eight million, three hundred sixty thousand, five hundred fifty-seven".