30148702518 has 16 divisors (see below), whose sum is σ = 65778987456. Its totient is φ = 9135970440.

The previous prime is 30148702511. The next prime is 30148702589. The reversal of 30148702518 is 81520784103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30148702511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228399196 + ... + 228399327.

It is an arithmetic number, because the mean of its divisors is an integer number (4111186716).

Almost surely, 2^30148702518 is an apocalyptic number.

30148702518 is an abundant number, since it is smaller than the sum of its proper divisors (35630284938).

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

30148702518 is a wasteful number, since it uses less digits than its factorization.

30148702518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456798539.

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 30148702518 in words is "thirty billion, one hundred forty-eight million, seven hundred two thousand, five hundred eighteen".