213195194400 has 144 divisors (see below), whose sum is σ = 702311861664. Its totient is φ = 56167034880.

The previous prime is 213195194347. The next prime is 213195194423. The reversal of 213195194400 is 4491591312.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 335929 + ... + 734328.

It is an arithmetic number, because the mean of its divisors is an integer number (4877165706).

Almost surely, 2^213195194400 is an apocalyptic number.

213195194400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213195194400 is an abundant number, since it is smaller than the sum of its proper divisors (489116667264).

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

213195194400 is a wasteful number, since it uses less digits than its factorization.

213195194400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070363 (or 1070350 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 213195194400 in words is "two hundred thirteen billion, one hundred ninety-five million, one hundred ninety-four thousand, four hundred".