195502013028 has 72 divisors (see below), whose sum is σ = 565100594240. Its totient is φ = 55826366400.

The previous prime is 195502013017. The next prime is 195502013153. The reversal of 195502013028 is 820310205591.

195502013028 is a `hidden beast` number, since 19 + 5 + 502 + 0 + 130 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 195502012983 and 195502013001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234003 + ... + 667653.

Almost surely, 2^195502013028 is an apocalyptic number.

195502013028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

195502013028 is an abundant number, since it is smaller than the sum of its proper divisors (369598581212).

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

195502013028 is a wasteful number, since it uses less digits than its factorization.

195502013028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435457 (or 435452 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 195502013028 in words is "one hundred ninety-five billion, five hundred two million, thirteen thousand, twenty-eight".