204215544344 has 64 divisors (see below), whose sum is σ = 439736006400. Its totient is φ = 87095088000.

The previous prime is 204215544331. The next prime is 204215544359. The reversal of 204215544344 is 443445512402.

It is a junction number, because it is equal to n+sod(n) for n = 204215544298 and 204215544307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50409119 + ... + 50413169.

It is an arithmetic number, because the mean of its divisors is an integer number (6870875100).

Almost surely, 2^204215544344 is an apocalyptic number.

It is an amenable number.

204215544344 is an abundant number, since it is smaller than the sum of its proper divisors (235520462056).

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

204215544344 is a wasteful number, since it uses less digits than its factorization.

204215544344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8224 (or 8220 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

The spelling of 204215544344 in words is "two hundred four billion, two hundred fifteen million, five hundred forty-four thousand, three hundred forty-four".