204061131040 has 96 divisors (see below), whose sum is σ = 519350952960. Its totient is φ = 75320638464.

The previous prime is 204061131017. The next prime is 204061131067. The reversal of 204061131040 is 40131160402.

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, 6972117 + ... + 7001323.

It is an arithmetic number, because the mean of its divisors is an integer number (5409905760).

Almost surely, 2^204061131040 is an apocalyptic number.

204061131040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204061131040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259675476480).

204061131040 is an abundant number, since it is smaller than the sum of its proper divisors (315289821920).

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

204061131040 is a wasteful number, since it uses less digits than its factorization.

204061131040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32594 (or 32586 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 204061131040 its reverse (40131160402), we get a palindrome (244192291442).

The spelling of 204061131040 in words is "two hundred four billion, sixty-one million, one hundred thirty-one thousand, forty".