42404002609 has 16 divisors (see below), whose sum is σ = 44815650880. Its totient is φ = 40010552640.

The previous prime is 42404002591. The next prime is 42404002621. The reversal of 42404002609 is 90620040424.

It is not a de Polignac number, because 42404002609 - 2⁹ = 42404002097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42404002639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11973379 + ... + 11976919.

It is an arithmetic number, because the mean of its divisors is an integer number (2800978180).

Almost surely, 2^42404002609 is an apocalyptic number.

It is an amenable number.

42404002609 is a deficient number, since it is larger than the sum of its proper divisors (2411648271).

42404002609 is a wasteful number, since it uses less digits than its factorization.

42404002609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 42404002609 in words is "forty-two billion, four hundred four million, two thousand, six hundred nine".