195148724880 has 80 divisors (see below), whose sum is σ = 636801117120. Its totient is φ = 49300729344.

The previous prime is 195148724843. The next prime is 195148724921. The reversal of 195148724880 is 88427841591.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 195148724880.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21393327 + ... + 21402446.

It is an arithmetic number, because the mean of its divisors is an integer number (7960013964).

Almost surely, 2^195148724880 is an apocalyptic number.

195148724880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195148724880 is an abundant number, since it is smaller than the sum of its proper divisors (441652392240).

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

195148724880 is a wasteful number, since it uses less digits than its factorization.

195148724880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42795808 (or 42795802 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 57.

The spelling of 195148724880 in words is "one hundred ninety-five billion, one hundred forty-eight million, seven hundred twenty-four thousand, eight hundred eighty".