30006256530 has 64 divisors (see below), whose sum is σ = 74555002368. Its totient is φ = 7724113920.

The previous prime is 30006256463. The next prime is 30006256613. The reversal of 30006256530 is 3565260003.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 42831 + ... + 248690.

It is an arithmetic number, because the mean of its divisors is an integer number (1164921912).

Almost surely, 2^30006256530 is an apocalyptic number.

30006256530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30006256530 is an abundant number, since it is smaller than the sum of its proper divisors (44548745838).

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

30006256530 is a wasteful number, since it uses less digits than its factorization.

30006256530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291651.

The product of its (nonzero) digits is 16200, while the sum is 30.

The spelling of 30006256530 in words is "thirty billion, six million, two hundred fifty-six thousand, five hundred thirty".