444220454412355 has 4 divisors (see below), whose sum is σ = 533064545294832. Its totient is φ = 355376363529880.

The previous prime is 444220454412299. The next prime is 444220454412359. The reversal of 444220454412355 is 553214454022444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 444220454412355 - 2²⁷ = 444220320194627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444220454412299 and 444220454412308.

It is not an unprimeable number, because it can be changed into a prime (444220454412359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44422045441231 + ... + 44422045441240.

It is an arithmetic number, because the mean of its divisors is an integer number (133266136323708).

Almost surely, 2^{444220454412355} is an apocalyptic number.

444220454412355 is a deficient number, since it is larger than the sum of its proper divisors (88844090882477).

444220454412355 is an equidigital number, since it uses as much as digits as its factorization.

444220454412355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88844090882476.

The product of its (nonzero) digits is 12288000, while the sum is 49.

The spelling of 444220454412355 in words is "four hundred forty-four trillion, two hundred twenty billion, four hundred fifty-four million, four hundred twelve thousand, three hundred fifty-five".