4080553521445 has 32 divisors (see below), whose sum is σ = 5327915364576. Its totient is φ = 2988023193600.

The previous prime is 4080553521397. The next prime is 4080553521511. The reversal of 4080553521445 is 5441253550804.

It is a happy number.

It is a Cunningham number, because it is equal to 2020038²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 2727151685281 + 1353401836164 = 1651409^2 + 1163358^2 .

It is not a de Polignac number, because 4080553521445 - 2¹¹ = 4080553519397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4080553521395 and 4080553521404.

It is a congruent 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, 742086 + ... + 2951575.

It is an arithmetic number, because the mean of its divisors is an integer number (166497355143).

Almost surely, 2^{4080553521445} is an apocalyptic number.

It is an amenable number.

4080553521445 is a deficient number, since it is larger than the sum of its proper divisors (1247361843131).

4080553521445 is a wasteful number, since it uses less digits than its factorization.

4080553521445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3694041.

The product of its (nonzero) digits is 1920000, while the sum is 46.

The spelling of 4080553521445 in words is "four trillion, eighty billion, five hundred fifty-three million, five hundred twenty-one thousand, four hundred forty-five".