4405121223045 has 16 divisors (see below), whose sum is σ = 7050181128000. Its totient is φ = 2348735595264.

The previous prime is 4405121222951. The next prime is 4405121223067. The reversal of 4405121223045 is 5403221215044.

It is not a de Polignac number, because 4405121223045 - 2¹⁸ = 4405120960901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4405121222997 and 4405121223015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41344420 + ... + 41450829.

It is an arithmetic number, because the mean of its divisors is an integer number (440636320500).

Almost surely, 2^{4405121223045} is an apocalyptic number.

It is an amenable number.

4405121223045 is a deficient number, since it is larger than the sum of its proper divisors (2645059904955).

4405121223045 is a wasteful number, since it uses less digits than its factorization.

4405121223045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82798804.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 4405121223045 its reverse (5403221215044), we get a palindrome (9808342438089).

The spelling of 4405121223045 in words is "four trillion, four hundred five billion, one hundred twenty-one million, two hundred twenty-three thousand, forty-five".