30188899246 has 16 divisors (see below), whose sum is σ = 52000018560. Its totient is φ = 13000004280.

The previous prime is 30188899243. The next prime is 30188899259. The reversal of 30188899246 is 64299888103.

It is a super-2 number, since 2×30188899246² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30188899243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36110706 + ... + 36111541.

It is an arithmetic number, because the mean of its divisors is an integer number (3250001160).

Almost surely, 2^30188899246 is an apocalyptic number.

30188899246 is a deficient number, since it is larger than the sum of its proper divisors (21811119314).

30188899246 is a wasteful number, since it uses less digits than its factorization.

30188899246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72222279.

The product of its (nonzero) digits is 5971968, while the sum is 58.

The spelling of 30188899246 in words is "thirty billion, one hundred eighty-eight million, eight hundred ninety-nine thousand, two hundred forty-six".