195280465536 has 768 divisors, whose sum is σ = 670442572800. Its totient is φ = 53986590720.

The previous prime is 195280465489. The next prime is 195280465561. The reversal of 195280465536 is 635564082591.

195280465536 is a `hidden beast` number, since 1 + 9 + 5 + 2 + 80 + 4 + 6 + 553 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 860266255 + ... + 860266481.

It is an arithmetic number, because the mean of its divisors is an integer number (872972100).

Almost surely, 2^195280465536 is an apocalyptic number.

195280465536 is a gapful number since it is divisible by the number (16) 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 195280465536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335221286400).

195280465536 is an abundant number, since it is smaller than the sum of its proper divisors (475162107264).

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

195280465536 is a wasteful number, since it uses less digits than its factorization.

195280465536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 195280465536 in words is "one hundred ninety-five billion, two hundred eighty million, four hundred sixty-five thousand, five hundred thirty-six".