40615087 has 2 divisors, whose sum is σ = 40615088. Its totient is φ = 40615086.

The previous prime is 40615049. The next prime is 40615111. The reversal of 40615087 is 78051604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40615087 - 2¹⁵ = 40582319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40615387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20307543 + 20307544.

It is an arithmetic number, because the mean of its divisors is an integer number (20307544).

Almost surely, 2^40615087 is an apocalyptic number.

40615087 is a deficient number, since it is larger than the sum of its proper divisors (1).

40615087 is an equidigital number, since it uses as much as digits as its factorization.

40615087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 40615087 is about 6372.9967048477. The cubic root of 40615087 is about 343.7392533500.

The spelling of 40615087 in words is "forty million, six hundred fifteen thousand, eighty-seven".