40433242 has 8 divisors (see below), whose sum is σ = 64217556. Its totient is φ = 19027392.

The previous prime is 40433219. The next prime is 40433249. The reversal of 40433242 is 24233404.

It can be written as a sum of positive squares in 2 ways, for example, as 39551521 + 881721 = 6289^2 + 939^2 .

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 (40433249) 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, 594573 + ... + 594640.

Almost surely, 2^40433242 is an apocalyptic number.

40433242 is a deficient number, since it is larger than the sum of its proper divisors (23784314).

40433242 is a wasteful number, since it uses less digits than its factorization.

40433242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189232.

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

The square root of 40433242 is about 6358.7138636677. The cubic root of 40433242 is about 343.2254805188.

Adding to 40433242 its reverse (24233404), we get a palindrome (64666646).

The spelling of 40433242 in words is "forty million, four hundred thirty-three thousand, two hundred forty-two".