4054643456660 has 24 divisors (see below), whose sum is σ = 8514984828840. Its totient is φ = 1621812893184.

The previous prime is 4054643456651. The next prime is 4054643456663. The reversal of 4054643456660 is 666543464504.

It can be written as a sum of positive squares in 4 ways, for example, as 11375075716 + 4043268380944 = 106654^2 + 2010788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4054643456663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2028305 + ... + 3496184.

It is an arithmetic number, because the mean of its divisors is an integer number (354791034535).

Almost surely, 2^{4054643456660} is an apocalyptic number.

It is an amenable number.

4054643456660 is an abundant number, since it is smaller than the sum of its proper divisors (4460341372180).

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

4054643456660 is a wasteful number, since it uses less digits than its factorization.

4054643456660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561195 (or 5561193 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 53.

The spelling of 4054643456660 in words is "four trillion, fifty-four billion, six hundred forty-three million, four hundred fifty-six thousand, six hundred sixty".