195178480 has 80 divisors (see below), whose sum is σ = 535394304. Its totient is φ = 64753920.

The previous prime is 195178471. The next prime is 195178499. The reversal of 195178480 is 84871591.

It is a happy number.

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

It is a super-2 number, since 2×195178480² = 76189278110220800, which contains 22 as substring.

It is a congruent number.

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, 11739 + ... + 22981.

Almost surely, 2^195178480 is an apocalyptic number.

195178480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195178480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267697152).

195178480 is an abundant number, since it is smaller than the sum of its proper divisors (340215824).

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

195178480 is a wasteful number, since it uses less digits than its factorization.

195178480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11294 (or 11288 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 43.

The square root of 195178480 is about 13970.6291912712. The cubic root of 195178480 is about 580.0658664793.

The spelling of 195178480 in words is "one hundred ninety-five million, one hundred seventy-eight thousand, four hundred eighty".