40632245 has 4 divisors (see below), whose sum is σ = 48758700. Its totient is φ = 32505792.

The previous prime is 40632223. The next prime is 40632259. The reversal of 40632245 is 54223604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17380561 + 23251684 = 4169^2 + 4822^2 .

It is a cyclic number.

It is not a de Polignac number, because 40632245 - 2¹⁰ = 40631221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4063220 + ... + 4063229.

It is an arithmetic number, because the mean of its divisors is an integer number (12189675).

Almost surely, 2^40632245 is an apocalyptic number.

It is an amenable number.

40632245 is a deficient number, since it is larger than the sum of its proper divisors (8126455).

40632245 is an equidigital number, since it uses as much as digits as its factorization.

40632245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8126454.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 40632245 is about 6374.3427112134. The cubic root of 40632245 is about 343.7876511927.

Adding to 40632245 its reverse (54223604), we get a palindrome (94855849).

The spelling of 40632245 in words is "forty million, six hundred thirty-two thousand, two hundred forty-five".