44413513213555 has 8 divisors (see below), whose sum is σ = 53296255901232. Its totient is φ = 35530783874208.

The previous prime is 44413513213507. The next prime is 44413513213567. The reversal of 44413513213555 is 55531231531444.

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

It is a cyclic number.

It is not a de Polignac number, because 44413513213555 - 2²³ = 44413504824947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6760629 + ... + 11598841.

It is an arithmetic number, because the mean of its divisors is an integer number (6662031987654).

Almost surely, 2^{44413513213555} is an apocalyptic number.

44413513213555 is a deficient number, since it is larger than the sum of its proper divisors (8882742687677).

44413513213555 is a wasteful number, since it uses less digits than its factorization.

44413513213555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674165.

The product of its digits is 2160000, while the sum is 46.

Adding to 44413513213555 its reverse (55531231531444), we get a palindrome (99944744744999).

The spelling of 44413513213555 in words is "forty-four trillion, four hundred thirteen billion, five hundred thirteen million, two hundred thirteen thousand, five hundred fifty-five".