40652285 has 8 divisors (see below), whose sum is σ = 48951000. Its totient is φ = 32409664.

The previous prime is 40652281. The next prime is 40652323. The reversal of 40652285 is 58225604.

It can be written as a sum of positive squares in 4 ways, for example, as 8514724 + 32137561 = 2918^2 + 5669^2 .

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 40652285 - 2² = 40652281 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40652281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12410 + ... + 15339.

It is an arithmetic number, because the mean of its divisors is an integer number (6118875).

Almost surely, 2^40652285 is an apocalyptic number.

It is an amenable number.

40652285 is a deficient number, since it is larger than the sum of its proper divisors (8298715).

40652285 is a wasteful number, since it uses less digits than its factorization.

40652285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28047.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 40652285 is about 6375.9144442190. The cubic root of 40652285 is about 343.8441610918.

Adding to 40652285 its reverse (58225604), we get a palindrome (98877889).

The spelling of 40652285 in words is "forty million, six hundred fifty-two thousand, two hundred eighty-five".