30360091938 has 32 divisors (see below), whose sum is σ = 68524349760. Its totient is φ = 8882784960.

The previous prime is 30360091933. The next prime is 30360091973. The reversal of 30360091938 is 83919006303.

It is a self number, because there is not a number n which added to its sum of digits gives 30360091938.

It is not an unprimeable number, because it can be changed into a prime (30360091933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7929145 + ... + 7932972.

It is an arithmetic number, because the mean of its divisors is an integer number (2141385930).

Almost surely, 2^30360091938 is an apocalyptic number.

30360091938 is an abundant number, since it is smaller than the sum of its proper divisors (38164257822).

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

30360091938 is a wasteful number, since it uses less digits than its factorization.

30360091938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15862162.

The product of its (nonzero) digits is 104976, while the sum is 42.

The spelling of 30360091938 in words is "thirty billion, three hundred sixty million, ninety-one thousand, nine hundred thirty-eight".