40763645 has 24 divisors (see below), whose sum is σ = 55778400. Its totient is φ = 28506816.

The previous prime is 40763641. The next prime is 40763651. The reversal of 40763645 is 54636704.

40763645 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 40763645 - 2² = 40763641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40763641) 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, 14786 + ... + 17324.

It is an arithmetic number, because the mean of its divisors is an integer number (2324100).

Almost surely, 2^40763645 is an apocalyptic number.

It is an amenable number.

40763645 is a deficient number, since it is larger than the sum of its proper divisors (15014755).

40763645 is a wasteful number, since it uses less digits than its factorization.

40763645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589 (or 2576 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 40763645 is about 6384.6413368333. The cubic root of 40763645 is about 344.1578423151.

The spelling of 40763645 in words is "forty million, seven hundred sixty-three thousand, six hundred forty-five".