40064535 has 24 divisors (see below), whose sum is σ = 79366560. Its totient is φ = 18315072.

The previous prime is 40064513. The next prime is 40064537. The reversal of 40064535 is 53546004.

40064535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40064535 - 2⁸ = 40064279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40064499 and 40064508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40064537) 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 23 ways as a sum of consecutive naturals, for example, 63280 + ... + 63909.

It is an arithmetic number, because the mean of its divisors is an integer number (3306940).

Almost surely, 2^40064535 is an apocalyptic number.

40064535 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40064535 is a deficient number, since it is larger than the sum of its proper divisors (39302025).

40064535 is a wasteful number, since it uses less digits than its factorization.

40064535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127207 (or 127204 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 40064535 is about 6329.6552038796. The cubic root of 40064535 is about 342.1790126750.

The spelling of 40064535 in words is "forty million, sixty-four thousand, five hundred thirty-five".