195275520 has 432 divisors, whose sum is σ = 780579072. Its totient is φ = 44605440.

The previous prime is 195275519. The next prime is 195275551. The reversal of 195275520 is 25572591.

195275520 is a `hidden beast` number, since 19 + 52 + 75 + 520 = 666.

It is a super-2 number, since 2×195275520² = 76265057422540800, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2914527 + ... + 2914593.

It is an arithmetic number, because the mean of its divisors is an integer number (1806896).

Almost surely, 2^195275520 is an apocalyptic number.

195275520 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 195275520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390289536).

195275520 is an abundant number, since it is smaller than the sum of its proper divisors (585303552).

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

195275520 is a wasteful number, since it uses less digits than its factorization.

195275520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 195275520 is about 13974.1017600417. The cubic root of 195275520 is about 580.1619840866.

The spelling of 195275520 in words is "one hundred ninety-five million, two hundred seventy-five thousand, five hundred twenty".