2044220445345 has 32 divisors (see below), whose sum is σ = 3707735875200. Its totient is φ = 953417793024.

The previous prime is 2044220445317. The next prime is 2044220445359. The reversal of 2044220445345 is 5435440224402.

It is not a de Polignac number, because 2044220445345 - 2¹⁴ = 2044220428961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275869500 + ... + 275876909.

It is an arithmetic number, because the mean of its divisors is an integer number (115866746100).

Almost surely, 2^{2044220445345} is an apocalyptic number.

It is an amenable number.

2044220445345 is a deficient number, since it is larger than the sum of its proper divisors (1663515429855).

2044220445345 is a wasteful number, since it uses less digits than its factorization.

2044220445345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551746449.

The product of its (nonzero) digits is 614400, while the sum is 39.

Adding to 2044220445345 its reverse (5435440224402), we get a palindrome (7479660669747).

The spelling of 2044220445345 in words is "two trillion, forty-four billion, two hundred twenty million, four hundred forty-five thousand, three hundred forty-five".