40653164 has 12 divisors (see below), whose sum is σ = 71387904. Its totient is φ = 20256624.

The previous prime is 40653161. The next prime is 40653187. The reversal of 40653164 is 46135604.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40653161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16172 + ... + 18515.

It is an arithmetic number, because the mean of its divisors is an integer number (5948992).

Almost surely, 2^40653164 is an apocalyptic number.

It is an amenable number.

40653164 is a deficient number, since it is larger than the sum of its proper divisors (30734740).

40653164 is a wasteful number, since it uses less digits than its factorization.

40653164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34984 (or 34982 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 40653164 is about 6375.9833751352. The cubic root of 40653164 is about 343.8466393194.

Adding to 40653164 its reverse (46135604), we get a palindrome (86788768).

The spelling of 40653164 in words is "forty million, six hundred fifty-three thousand, one hundred sixty-four".