40653597 has 16 divisors (see below), whose sum is σ = 58138560. Its totient is φ = 25189632.

The previous prime is 40653593. The next prime is 40653629. The reversal of 40653597 is 79535604.

40653597 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 40653597 - 2² = 40653593 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40653593) 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 15 ways as a sum of consecutive naturals, for example, 3708 + ... + 9749.

It is an arithmetic number, because the mean of its divisors is an integer number (3633660).

Almost surely, 2^40653597 is an apocalyptic number.

It is an amenable number.

40653597 is a deficient number, since it is larger than the sum of its proper divisors (17484963).

40653597 is a wasteful number, since it uses less digits than its factorization.

40653597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13532.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 40653597 is about 6376.0173305913. The cubic root of 40653597 is about 343.8478600941.

The spelling of 40653597 in words is "forty million, six hundred fifty-three thousand, five hundred ninety-seven".