40565153 has 4 divisors (see below), whose sum is σ = 40777728. Its totient is φ = 40352580.

The previous prime is 40565149. The next prime is 40565191. The reversal of 40565153 is 35156504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40565153 - 2² = 40565149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40565053) 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, 106001 + ... + 106382.

It is an arithmetic number, because the mean of its divisors is an integer number (10194432).

Almost surely, 2^40565153 is an apocalyptic number.

It is an amenable number.

40565153 is a deficient number, since it is larger than the sum of its proper divisors (212575).

40565153 is a wasteful number, since it uses less digits than its factorization.

40565153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212574.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 40565153 is about 6369.0778767417. The cubic root of 40565153 is about 343.5983261221.

The spelling of 40565153 in words is "forty million, five hundred sixty-five thousand, one hundred fifty-three".