40272587 has 2 divisors, whose sum is σ = 40272588. Its totient is φ = 40272586.

The previous prime is 40272521. The next prime is 40272599. The reversal of 40272587 is 78527204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40272587 - 2¹⁰ = 40271563 is a prime.

It is not a weakly prime, because it can be changed into another prime (40272487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20136293 + 20136294.

It is an arithmetic number, because the mean of its divisors is an integer number (20136294).

Almost surely, 2^40272587 is an apocalyptic number.

40272587 is a deficient number, since it is larger than the sum of its proper divisors (1).

40272587 is an equidigital number, since it uses as much as digits as its factorization.

40272587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 40272587 is about 6346.0686255350. The cubic root of 40272587 is about 342.7702933210.

The spelling of 40272587 in words is "forty million, two hundred seventy-two thousand, five hundred eighty-seven".