204040311340 has 48 divisors (see below), whose sum is σ = 440499677184. Its totient is φ = 79350552000.

The previous prime is 204040311331. The next prime is 204040311353. The reversal of 204040311340 is 43113040402.

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, 576816 + ... + 860695.

It is an arithmetic number, because the mean of its divisors is an integer number (9177076608).

Almost surely, 2^204040311340 is an apocalyptic number.

204040311340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204040311340 is an abundant number, since it is smaller than the sum of its proper divisors (236459365844).

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

204040311340 is a wasteful number, since it uses less digits than its factorization.

204040311340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437718 (or 1437716 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 204040311340 its reverse (43113040402), we get a palindrome (247153351742).

The spelling of 204040311340 in words is "two hundred four billion, forty million, three hundred eleven thousand, three hundred forty".