204254656142 has 16 divisors (see below), whose sum is σ = 311405332992. Its totient is φ = 100466011800.

The previous prime is 204254656139. The next prime is 204254656171. The reversal of 204254656142 is 241656452402.

It is a self number, because there is not a number n which added to its sum of digits gives 204254656142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252098 + ... + 3314309.

It is an arithmetic number, because the mean of its divisors is an integer number (19462833312).

Almost surely, 2^204254656142 is an apocalyptic number.

204254656142 is a deficient number, since it is larger than the sum of its proper divisors (107150676850).

204254656142 is a wasteful number, since it uses less digits than its factorization.

204254656142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6566663.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 204254656142 in words is "two hundred four billion, two hundred fifty-four million, six hundred fifty-six thousand, one hundred forty-two".