40332442 has 8 divisors (see below), whose sum is σ = 62133876. Its totient is φ = 19621152.

The previous prime is 40332433. The next prime is 40332443. The reversal of 40332442 is 24423304.

It can be written as a sum of positive squares in 2 ways, for example, as 31036041 + 9296401 = 5571^2 + 3049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40332443) 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, 272443 + ... + 272590.

Almost surely, 2^40332442 is an apocalyptic number.

40332442 is a deficient number, since it is larger than the sum of its proper divisors (21801434).

40332442 is a wasteful number, since it uses less digits than its factorization.

40332442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545072.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 40332442 is about 6350.7827863973. The cubic root of 40332442 is about 342.9400230025.

Adding to 40332442 its reverse (24423304), we get a palindrome (64755746).

The spelling of 40332442 in words is "forty million, three hundred thirty-two thousand, four hundred forty-two".