204411101240 has 16 divisors (see below), whose sum is σ = 459924977880. Its totient is φ = 81764440480.

The previous prime is 204411101233. The next prime is 204411101269. The reversal of 204411101240 is 42101114402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2555138726 + ... + 2555138805.

Almost surely, 2^204411101240 is an apocalyptic number.

204411101240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204411101240 is an abundant number, since it is smaller than the sum of its proper divisors (255513876640).

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

204411101240 is a wasteful number, since it uses less digits than its factorization.

204411101240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110277542 (or 5110277538 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 204411101240 its reverse (42101114402), we get a palindrome (246512215642).

The spelling of 204411101240 in words is "two hundred four billion, four hundred eleven million, one hundred one thousand, two hundred forty".