40645735 has 8 divisors (see below), whose sum is σ = 52526880. Its totient is φ = 30015264.

The previous prime is 40645729. The next prime is 40645747. The reversal of 40645735 is 53754604.

It is a happy number.

40645735 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40645735 - 2¹⁵ = 40612967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40645735.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 312595 + ... + 312724.

It is an arithmetic number, because the mean of its divisors is an integer number (6565860).

Almost surely, 2^40645735 is an apocalyptic number.

40645735 is a deficient number, since it is larger than the sum of its proper divisors (11881145).

40645735 is a wasteful number, since it uses less digits than its factorization.

40645735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625337.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 40645735 is about 6375.4007717162. The cubic root of 40645735 is about 343.8256930834.

The spelling of 40645735 in words is "forty million, six hundred forty-five thousand, seven hundred thirty-five".