2215404044441 has 8 divisors (see below), whose sum is σ = 2557992299520. Its totient is φ = 1879341280128.

The previous prime is 2215404044411. The next prime is 2215404044521. The reversal of 2215404044441 is 1444404045122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2215404044441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2215404044411) 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, 1631371961 + ... + 1631373318.

It is an arithmetic number, because the mean of its divisors is an integer number (319749037440).

Almost surely, 2^{2215404044441} is an apocalyptic number.

It is an amenable number.

2215404044441 is a deficient number, since it is larger than the sum of its proper divisors (342588255079).

2215404044441 is an equidigital number, since it uses as much as digits as its factorization.

2215404044441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262745383.

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 2215404044441 its reverse (1444404045122), we get a palindrome (3659808089563).

The spelling of 2215404044441 in words is "two trillion, two hundred fifteen billion, four hundred four million, forty-four thousand, four hundred forty-one".