204540455001 has 8 divisors (see below), whose sum is σ = 272822721664. Its totient is φ = 136309245840.

The previous prime is 204540454991. The next prime is 204540455047. The reversal of 204540455001 is 100554045402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204540455001 - 2²⁶ = 204473346137 is a prime.

It is a super-2 number, since 2×204540455001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204540455001.

It is not an unprimeable number, because it can be changed into a prime (204540455081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12755026 + ... + 12771051.

It is an arithmetic number, because the mean of its divisors is an integer number (34102840208).

Almost surely, 2^204540455001 is an apocalyptic number.

It is an amenable number.

204540455001 is a deficient number, since it is larger than the sum of its proper divisors (68282266663).

204540455001 is a wasteful number, since it uses less digits than its factorization.

204540455001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25528751.

The product of its (nonzero) digits is 16000, while the sum is 30.

The spelling of 204540455001 in words is "two hundred four billion, five hundred forty million, four hundred fifty-five thousand, one".