195090345408 has 112 divisors (see below), whose sum is σ = 590052875264. Its totient is φ = 55727170560.

The previous prime is 195090345391. The next prime is 195090345409. The reversal of 195090345408 is 804543090591.

It is a tau number, because it is divible by the number of its divisors (112).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195090345409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6809193 + ... + 6837783.

Almost surely, 2^195090345408 is an apocalyptic number.

It is an amenable number.

195090345408 is an abundant number, since it is smaller than the sum of its proper divisors (394962529856).

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

195090345408 is a wasteful number, since it uses less digits than its factorization.

195090345408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33690 (or 33680 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 195090345408 in words is "one hundred ninety-five billion, ninety million, three hundred forty-five thousand, four hundred eight".