30195908552 has 16 divisors (see below), whose sum is σ = 56944598940. Its totient is φ = 15010682176.

The previous prime is 30195908551. The next prime is 30195908579. The reversal of 30195908552 is 25580959103.

It can be written as a sum of positive squares in 2 ways, for example, as 25257473476 + 4938435076 = 158926^2 + 70274^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30195908497 and 30195908506.

It is not an unprimeable number, because it can be changed into a prime (30195908551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10907543 + ... + 10910310.

Almost surely, 2^30195908552 is an apocalyptic number.

It is an amenable number.

30195908552 is a deficient number, since it is larger than the sum of its proper divisors (26748690388).

30195908552 is a wasteful number, since it uses less digits than its factorization.

30195908552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21818032 (or 21818028 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 47.

The spelling of 30195908552 in words is "thirty billion, one hundred ninety-five million, nine hundred eight thousand, five hundred fifty-two".