204024505439 has 8 divisors (see below), whose sum is σ = 204429812592. Its totient is φ = 203619303360.

The previous prime is 204024505379. The next prime is 204024505441. The reversal of 204024505439 is 934505420402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204024505439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204024505459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4692092 + ... + 4735374.

It is an arithmetic number, because the mean of its divisors is an integer number (25553726574).

Almost surely, 2^204024505439 is an apocalyptic number.

204024505439 is a deficient number, since it is larger than the sum of its proper divisors (405307153).

204024505439 is an equidigital number, since it uses as much as digits as its factorization.

204024505439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52537.

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 204024505439 in words is "two hundred four billion, twenty-four million, five hundred five thousand, four hundred thirty-nine".