204140256 has 48 divisors (see below), whose sum is σ = 564076800. Its totient is φ = 64464768.

The previous prime is 204140231. The next prime is 204140257. The reversal of 204140256 is 652041402.

204140256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204140257) 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, 54136 + ... + 57783.

It is an arithmetic number, because the mean of its divisors is an integer number (11751600).

Almost surely, 2^204140256 is an apocalyptic number.

It is an amenable number.

204140256 is an abundant number, since it is smaller than the sum of its proper divisors (359936544).

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

204140256 is a wasteful number, since it uses less digits than its factorization.

204140256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111951 (or 111943 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 204140256 is about 14287.7659555299. The cubic root of 204140256 is about 588.8114115916.

Adding to 204140256 its reverse (652041402), we get a palindrome (856181658).

The spelling of 204140256 in words is "two hundred four million, one hundred forty thousand, two hundred fifty-six".