195820569477040 has 40 divisors (see below), whose sum is σ = 461519575062048. Its totient is φ = 77255238366720.

The previous prime is 195820569477017. The next prime is 195820569477053. The reversal of 195820569477040 is 40774965028591.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16765453876 + ... + 16765465555.

Almost surely, 2^{195820569477040} is an apocalyptic number.

195820569477040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195820569477040 is an abundant number, since it is smaller than the sum of its proper divisors (265699005585008).

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

195820569477040 is a wasteful number, since it uses less digits than its factorization.

195820569477040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33530919517 (or 33530919511 counting only the distinct ones).

The product of its (nonzero) digits is 152409600, while the sum is 67.

The spelling of 195820569477040 in words is "one hundred ninety-five trillion, eight hundred twenty billion, five hundred sixty-nine million, four hundred seventy-seven thousand, forty".