1006204440261 has 8 divisors (see below), whose sum is σ = 1342690489504. Its totient is φ = 670260675600.

The previous prime is 1006204440247. The next prime is 1006204440287. The reversal of 1006204440261 is 1620444026001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1006204440261 - 2¹³ = 1006204432069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006204440061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135566815 + ... + 135574236.

It is an arithmetic number, because the mean of its divisors is an integer number (167836311188).

Almost surely, 2^{1006204440261} is an apocalyptic number.

It is an amenable number.

1006204440261 is a deficient number, since it is larger than the sum of its proper divisors (336486049243).

1006204440261 is a wasteful number, since it uses less digits than its factorization.

1006204440261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271142291.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1006204440261 its reverse (1620444026001), we get a palindrome (2626648466262).

The spelling of 1006204440261 in words is "one trillion, six billion, two hundred four million, four hundred forty thousand, two hundred sixty-one".