195054940 has 24 divisors (see below), whose sum is σ = 433711152. Its totient is φ = 73432320.

The previous prime is 195054919. The next prime is 195054943. The reversal of 195054940 is 49450591.

It is a self number, because there is not a number n which added to its sum of digits gives 195054940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195054943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286506 + ... + 287185.

It is an arithmetic number, because the mean of its divisors is an integer number (18071298).

Almost surely, 2^195054940 is an apocalyptic number.

195054940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195054940 is an abundant number, since it is smaller than the sum of its proper divisors (238656212).

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

195054940 is a wasteful number, since it uses less digits than its factorization.

195054940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573717 (or 573715 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 195054940 is about 13966.2070727882. The cubic root of 195054940 is about 579.9434546539.

The spelling of 195054940 in words is "one hundred ninety-five million, fifty-four thousand, nine hundred forty".