204051456 has 132 divisors (see below), whose sum is σ = 673577632. Its totient is φ = 58281984.

The previous prime is 204051451. The next prime is 204051473. The reversal of 204051456 is 654150402.

204051456 is a `hidden beast` number, since 204 + 0 + 5 + 1 + 456 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204051451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62931 + ... + 66093.

Almost surely, 2^204051456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204051456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336788816).

204051456 is an abundant number, since it is smaller than the sum of its proper divisors (469526176).

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

204051456 is a wasteful number, since it uses less digits than its factorization.

204051456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196 (or 3175 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 204051456 is about 14284.6580638110. The cubic root of 204051456 is about 588.7260225268.

The spelling of 204051456 in words is "two hundred four million, fifty-one thousand, four hundred fifty-six".