6549280042 has 16 divisors (see below), whose sum is σ = 9918612000. Its totient is φ = 3243103920.

The previous prime is 6549280033. The next prime is 6549280043. The reversal of 6549280042 is 2400829456.

It is a junction number, because it is equal to n+sod(n) for n = 6549279977 and 6549280004.

It is not an unprimeable number, because it can be changed into a prime (6549280043) 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, 582817 + ... + 593947.

It is an arithmetic number, because the mean of its divisors is an integer number (619913250).

Almost surely, 2^6549280042 is an apocalyptic number.

6549280042 is a deficient number, since it is larger than the sum of its proper divisors (3369331958).

6549280042 is a wasteful number, since it uses less digits than its factorization.

6549280042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13941.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 6549280042 is about 80927.6222435826. The cubic root of 6549280042 is about 1870.9600760788.

The spelling of 6549280042 in words is "six billion, five hundred forty-nine million, two hundred eighty thousand, forty-two".