42028509586 has 16 divisors (see below), whose sum is σ = 72106130880. Its totient is φ = 17997904080.

The previous prime is 42028509583. The next prime is 42028509587. The reversal of 42028509586 is 68590582024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42028509583) 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, 1174605 + ... + 1209856.

It is an arithmetic number, because the mean of its divisors is an integer number (4506633180).

Almost surely, 2^42028509586 is an apocalyptic number.

42028509586 is a deficient number, since it is larger than the sum of its proper divisors (30077621294).

42028509586 is a wasteful number, since it uses less digits than its factorization.

42028509586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385729.

The product of its (nonzero) digits is 1382400, while the sum is 49.

The spelling of 42028509586 in words is "forty-two billion, twenty-eight million, five hundred nine thousand, five hundred eighty-six".