195400379922 has 32 divisors (see below), whose sum is σ = 440080625664. Its totient is φ = 57302163600.

The previous prime is 195400379849. The next prime is 195400379959. The reversal of 195400379922 is 229973004591.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47749758 + ... + 47753849.

It is an arithmetic number, because the mean of its divisors is an integer number (13752519552).

Almost surely, 2^195400379922 is an apocalyptic number.

195400379922 is an abundant number, since it is smaller than the sum of its proper divisors (244680245742).

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

195400379922 is a wasteful number, since it uses less digits than its factorization.

195400379922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95503654.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 195400379922 in words is "one hundred ninety-five billion, four hundred million, three hundred seventy-nine thousand, nine hundred twenty-two".