40322452 has 12 divisors (see below), whose sum is σ = 72471700. Its totient is φ = 19616256.

The previous prime is 40322449. The next prime is 40322459. The reversal of 40322452 is 25422304.

It can be written as a sum of positive squares in 2 ways, for example, as 33593616 + 6728836 = 5796^2 + 2594^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40322459) 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, 136077 + ... + 136372.

Almost surely, 2^40322452 is an apocalyptic number.

It is an amenable number.

40322452 is a deficient number, since it is larger than the sum of its proper divisors (32149248).

40322452 is a wasteful number, since it uses less digits than its factorization.

40322452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272490 (or 272488 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 40322452 is about 6349.9962204713. The cubic root of 40322452 is about 342.9117062302.

Adding to 40322452 its reverse (25422304), we get a palindrome (65744756).

The spelling of 40322452 in words is "forty million, three hundred twenty-two thousand, four hundred fifty-two".