30155428067 has 8 divisors (see below), whose sum is σ = 31748409600. Its totient is φ = 28563031944.

The previous prime is 30155428057. The next prime is 30155428099. The reversal of 30155428067 is 76082455103.

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 30155428067 - 2²⁶ = 30088319203 is a prime.

It is a super-2 number, since 2×30155428067² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30155428057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38567 + ... + 248592.

It is an arithmetic number, because the mean of its divisors is an integer number (3968551200).

Almost surely, 2^30155428067 is an apocalyptic number.

30155428067 is a deficient number, since it is larger than the sum of its proper divisors (1592981533).

30155428067 is a wasteful number, since it uses less digits than its factorization.

30155428067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292705.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 30155428067 in words is "thirty billion, one hundred fifty-five million, four hundred twenty-eight thousand, sixty-seven".