195338183040 has 2048 divisors, whose sum is σ = 971241062400. Its totient is φ = 35765452800.

The previous prime is 195338182951. The next prime is 195338183071. The reversal of 195338183040 is 40381833591.

195338183040 is a `hidden beast` number, since 1 + 9 + 5 + 338 + 1 + 8 + 304 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 397837195 + ... + 397837685.

It is an arithmetic number, because the mean of its divisors is an integer number (474238800).

Almost surely, 2^195338183040 is an apocalyptic number.

195338183040 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 195338183040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485620531200).

195338183040 is an abundant number, since it is smaller than the sum of its proper divisors (775902879360).

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

195338183040 is a wasteful number, since it uses less digits than its factorization.

195338183040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 195338183040 in words is "one hundred ninety-five billion, three hundred thirty-eight million, one hundred eighty-three thousand, forty".