42028509585 has 8 divisors (see below), whose sum is σ = 67245615360. Its totient is φ = 22415205104.

The previous prime is 42028509583. The next prime is 42028509587. The reversal of 42028509585 is 58590582024.

It is an interprime number because it is at equal distance from previous prime (42028509583) and next prime (42028509587).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42028509585 - 2¹ = 42028509583 is a prime.

It is a Curzon 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, 1400950305 + ... + 1400950334.

It is an arithmetic number, because the mean of its divisors is an integer number (8405701920).

Almost surely, 2^42028509585 is an apocalyptic number.

It is an amenable number.

42028509585 is a deficient number, since it is larger than the sum of its proper divisors (25217105775).

42028509585 is a wasteful number, since it uses less digits than its factorization.

42028509585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2801900647.

The product of its (nonzero) digits is 1152000, while the sum is 48.

The spelling of 42028509585 in words is "forty-two billion, twenty-eight million, five hundred nine thousand, five hundred eighty-five".