4040735645 has 8 divisors (see below), whose sum is σ = 4849269504. Its totient is φ = 3232330704.

The previous prime is 4040735623. The next prime is 4040735659. The reversal of 4040735645 is 5465370404.

It is a happy number.

4040735645 is digitally balanced in base 3, 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 4040735645 - 2²⁶ = 3973626781 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4040735599 and 4040735608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61532 + ... + 108938.

It is an arithmetic number, because the mean of its divisors is an integer number (606158688).

Almost surely, 2^4040735645 is an apocalyptic number.

It is an amenable number.

4040735645 is a deficient number, since it is larger than the sum of its proper divisors (808533859).

4040735645 is a wasteful number, since it uses less digits than its factorization.

4040735645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64459.

The product of its (nonzero) digits is 201600, while the sum is 38.

The square root of 4040735645 is about 63566.7809866128. The cubic root of 4040735645 is about 1592.7715127292.

The spelling of 4040735645 in words is "four billion, forty million, seven hundred thirty-five thousand, six hundred forty-five".