40065238587 has 16 divisors (see below), whose sum is σ = 58296521088. Its totient is φ = 24273708480.

The previous prime is 40065238531. The next prime is 40065238613. The reversal of 40065238587 is 78583256004.

It is not a de Polignac number, because 40065238587 - 2¹⁵ = 40065205819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40065238387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107098 + ... + 302655.

It is an arithmetic number, because the mean of its divisors is an integer number (3643532568).

Almost surely, 2^40065238587 is an apocalyptic number.

40065238587 is a deficient number, since it is larger than the sum of its proper divisors (18231282501).

40065238587 is a wasteful number, since it uses less digits than its factorization.

40065238587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412730.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 40065238587 in words is "forty billion, sixty-five million, two hundred thirty-eight thousand, five hundred eighty-seven".