204652244421 has 48 divisors (see below), whose sum is σ = 312292506240. Its totient is φ = 128787563520.

The previous prime is 204652244413. The next prime is 204652244449. The reversal of 204652244421 is 124442256402.

204652244421 is a `hidden beast` number, since 2 + 0 + 4 + 6 + 5 + 224 + 4 + 421 = 666.

It is not a de Polignac number, because 204652244421 - 2³ = 204652244413 is a prime.

It is a super-2 number, since 2×204652244421² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204652244221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62564016 + ... + 62567286.

It is an arithmetic number, because the mean of its divisors is an integer number (6506093880).

Almost surely, 2^204652244421 is an apocalyptic number.

It is an amenable number.

204652244421 is a deficient number, since it is larger than the sum of its proper divisors (107640261819).

204652244421 is a wasteful number, since it uses less digits than its factorization.

204652244421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506 (or 4503 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

The spelling of 204652244421 in words is "two hundred four billion, six hundred fifty-two million, two hundred forty-four thousand, four hundred twenty-one".