40087365 has 16 divisors (see below), whose sum is σ = 64953600. Its totient is φ = 21108672.

The previous prime is 40087363. The next prime is 40087379. The reversal of 40087365 is 56378004.

It is not a de Polignac number, because 40087365 - 2¹ = 40087363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40087363) 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, 15730 + ... + 18099.

It is an arithmetic number, because the mean of its divisors is an integer number (4059600).

Almost surely, 2^40087365 is an apocalyptic number.

It is an amenable number.

40087365 is a deficient number, since it is larger than the sum of its proper divisors (24866235).

40087365 is a wasteful number, since it uses less digits than its factorization.

40087365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33916.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 40087365 is about 6331.4583628103. The cubic root of 40087365 is about 342.2439950299.

The spelling of 40087365 in words is "forty million, eighty-seven thousand, three hundred sixty-five".