30206456830 has 64 divisors (see below), whose sum is σ = 62506722816. Its totient is φ = 10402480000.

The previous prime is 30206456779. The next prime is 30206456831. The reversal of 30206456830 is 3865460203.

It is a self number, because there is not a number n which added to its sum of digits gives 30206456830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30206456831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196425 + ... + 314635.

It is an arithmetic number, because the mean of its divisors is an integer number (976667544).

Almost surely, 2^30206456830 is an apocalyptic number.

30206456830 is an abundant number, since it is smaller than the sum of its proper divisors (32300265986).

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

30206456830 is a wasteful number, since it uses less digits than its factorization.

30206456830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118353.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 30206456830 in words is "thirty billion, two hundred six million, four hundred fifty-six thousand, eight hundred thirty".