40535387 has 4 divisors (see below), whose sum is σ = 41630976. Its totient is φ = 39439800.

The previous prime is 40535381. The next prime is 40535389. The reversal of 40535387 is 78353504.

40535387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40535387 - 2⁶ = 40535323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40535381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547739 + ... + 547812.

It is an arithmetic number, because the mean of its divisors is an integer number (10407744).

Almost surely, 2^40535387 is an apocalyptic number.

40535387 is a deficient number, since it is larger than the sum of its proper divisors (1095589).

40535387 is a wasteful number, since it uses less digits than its factorization.

40535387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095588.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 40535387 is about 6366.7406889240. The cubic root of 40535387 is about 343.5142634095.

The spelling of 40535387 in words is "forty million, five hundred thirty-five thousand, three hundred eighty-seven".