4055552566420 has 24 divisors (see below), whose sum is σ = 8524905021864. Its totient is φ = 1620650620416.

The previous prime is 4055552566397. The next prime is 4055552566427. The reversal of 4055552566420 is 246652555504.

It can be written as a sum of positive squares in 4 ways, for example, as 1998502451856 + 2057050114564 = 1413684^2 + 1434242^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055552566427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98129209 + ... + 98170528.

It is an arithmetic number, because the mean of its divisors is an integer number (355204375911).

Almost surely, 2^{4055552566420} is an apocalyptic number.

It is an amenable number.

4055552566420 is an abundant number, since it is smaller than the sum of its proper divisors (4469352455444).

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

4055552566420 is a wasteful number, since it uses less digits than its factorization.

4055552566420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196300779 (or 196300777 counting only the distinct ones).

The product of its (nonzero) digits is 7200000, while the sum is 49.

The spelling of 4055552566420 in words is "four trillion, fifty-five billion, five hundred fifty-two million, five hundred sixty-six thousand, four hundred twenty".