204326172128288 has 96 divisors (see below), whose sum is σ = 475783977876480. Its totient is φ = 84525722772480.

The previous prime is 204326172128173. The next prime is 204326172128291. The reversal of 204326172128288 is 882821271623402.

It is a Harshad number since it is a multiple of its sum of digits (56).

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, 35119931 + ... + 40522362.

It is an arithmetic number, because the mean of its divisors is an integer number (4956083102880).

Almost surely, 2^{204326172128288} is an apocalyptic number.

204326172128288 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

204326172128288 is an abundant number, since it is smaller than the sum of its proper divisors (271457805748192).

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

204326172128288 is a wasteful number, since it uses less digits than its factorization.

204326172128288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75642730 (or 75642722 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 56.

The spelling of 204326172128288 in words is "two hundred four trillion, three hundred twenty-six billion, one hundred seventy-two million, one hundred twenty-eight thousand, two hundred eighty-eight".