30758305830 has 32 divisors (see below), whose sum is σ = 84365639424. Its totient is φ = 7030469856.

The previous prime is 30758305793. The next prime is 30758305841. The reversal of 30758305830 is 3850385703.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73233852 + ... + 73234271.

It is an arithmetic number, because the mean of its divisors is an integer number (2636426232).

Almost surely, 2^30758305830 is an apocalyptic number.

30758305830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30758305830 is an abundant number, since it is smaller than the sum of its proper divisors (53607333594).

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

30758305830 is a wasteful number, since it uses less digits than its factorization.

30758305830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146468140.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 30758305830 in words is "thirty billion, seven hundred fifty-eight million, three hundred five thousand, eight hundred thirty".