199325264004 has 18 divisors (see below), whose sum is σ = 503849972990. Its totient is φ = 66441754656.

The previous prime is 199325264003. The next prime is 199325264009. The reversal of 199325264004 is 400462523991.

199325264004 is a `hidden beast` number, since 1 + 99 + 32 + 526 + 4 + 0 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 105443078400 + 93882185604 = 324720^2 + 306402^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×199325264004² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (199325264003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2768406409 + ... + 2768406480.

Almost surely, 2^199325264004 is an apocalyptic number.

It is an amenable number.

199325264004 is an abundant number, since it is smaller than the sum of its proper divisors (304524708986).

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

199325264004 is a wasteful number, since it uses less digits than its factorization.

199325264004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536812899 (or 5536812894 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

Adding to 199325264004 its reverse (400462523991), we get a palindrome (599787787995).

The spelling of 199325264004 in words is "one hundred ninety-nine billion, three hundred twenty-five million, two hundred sixty-four thousand, four".