4405123542020 has 48 divisors (see below), whose sum is σ = 9566315716608. Its totient is φ = 1702147562880.

The previous prime is 4405123542019. The next prime is 4405123542059. The reversal of 4405123542020 is 202453215044.

It is a super-2 number, since 2×4405123542020² (a number of 26 digits) contains 22 as substring.

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, 6032612 + ... + 6723291.

It is an arithmetic number, because the mean of its divisors is an integer number (199298244096).

Almost surely, 2^{4405123542020} is an apocalyptic number.

It is an amenable number.

4405123542020 is an abundant number, since it is smaller than the sum of its proper divisors (5161192174588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4405123542020 is a wasteful number, since it uses less digits than its factorization.

4405123542020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12756500 (or 12756498 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 4405123542020 its reverse (202453215044), we get a palindrome (4607576757064).

The spelling of 4405123542020 in words is "four trillion, four hundred five billion, one hundred twenty-three million, five hundred forty-two thousand, twenty".