40870138585 has 8 divisors (see below), whose sum is σ = 49046000256. Its totient is φ = 32694888240.

The previous prime is 40870138579. The next prime is 40870138601. The reversal of 40870138585 is 58583107804.

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

It is not a de Polignac number, because 40870138585 - 2¹⁵ = 40870105817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10032 + ... + 286078.

It is an arithmetic number, because the mean of its divisors is an integer number (6130750032).

Almost surely, 2^40870138585 is an apocalyptic number.

It is an amenable number.

40870138585 is a deficient number, since it is larger than the sum of its proper divisors (8175861671).

40870138585 is a wasteful number, since it uses less digits than its factorization.

40870138585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305663.

The product of its (nonzero) digits is 1075200, while the sum is 49.

The spelling of 40870138585 in words is "forty billion, eight hundred seventy million, one hundred thirty-eight thousand, five hundred eighty-five".