42544282809 has 32 divisors (see below), whose sum is σ = 65012935680. Its totient is φ = 24242299200.

The previous prime is 42544282793. The next prime is 42544282811. The reversal of 42544282809 is 90828244524.

It is not a de Polignac number, because 42544282809 - 2⁴ = 42544282793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42544282309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14128114 + ... + 14131124.

It is an arithmetic number, because the mean of its divisors is an integer number (2031654240).

Almost surely, 2^42544282809 is an apocalyptic number.

It is an amenable number.

42544282809 is a deficient number, since it is larger than the sum of its proper divisors (22468652871).

42544282809 is a wasteful number, since it uses less digits than its factorization.

42544282809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701.

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 42544282809 in words is "forty-two billion, five hundred forty-four million, two hundred eighty-two thousand, eight hundred nine".