195578423040 has 2304 divisors, whose sum is σ = 922114658304. Its totient is φ = 33973862400.

The previous prime is 195578422973. The next prime is 195578423083. The reversal of 195578423040 is 40324875591.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 2679156444 + ... + 2679156516.

It is an arithmetic number, because the mean of its divisors is an integer number (400223376).

Almost surely, 2^195578423040 is an apocalyptic number.

195578423040 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 195578423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461057329152).

195578423040 is an abundant number, since it is smaller than the sum of its proper divisors (726536235264).

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

195578423040 is a wasteful number, since it uses less digits than its factorization.

195578423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 195578423040 in words is "one hundred ninety-five billion, five hundred seventy-eight million, four hundred twenty-three thousand, forty".