30198499836 has 24 divisors (see below), whose sum is σ = 72736172544. Its totient is φ = 9741451440.

The previous prime is 30198499787. The next prime is 30198499847. The reversal of 30198499836 is 63899489103.

It is a self number, because there is not a number n which added to its sum of digits gives 30198499836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40589010 + ... + 40589753.

It is an arithmetic number, because the mean of its divisors is an integer number (3030673856).

Almost surely, 2^30198499836 is an apocalyptic number.

It is an amenable number.

30198499836 is an abundant number, since it is smaller than the sum of its proper divisors (42537672708).

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

30198499836 is a wasteful number, since it uses less digits than its factorization.

30198499836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81178801 (or 81178799 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 30198499836 in words is "thirty billion, one hundred ninety-eight million, four hundred ninety-nine thousand, eight hundred thirty-six".