204451459852 has 12 divisors (see below), whose sum is σ = 366516641736. Its totient is φ = 99732419360.

The previous prime is 204451459841. The next prime is 204451459853. The reversal of 204451459852 is 258954154402.

It is a super-2 number, since 2×204451459852² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 204451459796 and 204451459805.

It is not an unprimeable number, because it can be changed into a prime (204451459853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623327458 + ... + 623327785.

It is an arithmetic number, because the mean of its divisors is an integer number (30543053478).

Almost surely, 2^204451459852 is an apocalyptic number.

It is an amenable number.

204451459852 is a deficient number, since it is larger than the sum of its proper divisors (162065181884).

204451459852 is a wasteful number, since it uses less digits than its factorization.

204451459852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246655288 (or 1246655286 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 204451459852 in words is "two hundred four billion, four hundred fifty-one million, four hundred fifty-nine thousand, eight hundred fifty-two".