30842861380 has 24 divisors (see below), whose sum is σ = 64786684032. Its totient is φ = 12333968352.

The previous prime is 30842861377. The next prime is 30842861381. The reversal of 30842861380 is 8316824803.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30842861381) 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, 118092 + ... + 275011.

It is an arithmetic number, because the mean of its divisors is an integer number (2699445168).

Almost surely, 2^30842861380 is an apocalyptic number.

It is an amenable number.

30842861380 is an abundant number, since it is smaller than the sum of its proper divisors (33943822652).

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

30842861380 is a wasteful number, since it uses less digits than its factorization.

30842861380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397035 (or 397033 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 30842861380 in words is "thirty billion, eight hundred forty-two million, eight hundred sixty-one thousand, three hundred eighty".