3205204053436 has 192 divisors, whose sum is σ = 7434540288000. Its totient is φ = 1170572083200.

The previous prime is 3205204053409. The next prime is 3205204053449. The reversal of 3205204053436 is 6343504025023.

It is a junction number, because it is equal to n+sod(n) for n = 3205204053395 and 3205204053404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1696771980 + ... + 1696773868.

It is an arithmetic number, because the mean of its divisors is an integer number (38721564000).

Almost surely, 2^{3205204053436} 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 3205204053436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3717270144000).

3205204053436 is an abundant number, since it is smaller than the sum of its proper divisors (4229336234564).

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

3205204053436 is a wasteful number, since it uses less digits than its factorization.

3205204053436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068 (or 3066 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 3205204053436 its reverse (6343504025023), we get a palindrome (9548708078459).

The spelling of 3205204053436 in words is "three trillion, two hundred five billion, two hundred four million, fifty-three thousand, four hundred thirty-six".