40221033242 has 8 divisors (see below), whose sum is σ = 64972438356. Its totient is φ = 18563553792.

The previous prime is 40221033241. The next prime is 40221033263. The reversal of 40221033242 is 24233012204.

It can be written as a sum of positive squares in 2 ways, for example, as 38083912801 + 2137120441 = 195151^2 + 46229^2 .

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 (40221033241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773481383 + ... + 773481434.

Almost surely, 2^40221033242 is an apocalyptic number.

40221033242 is a deficient number, since it is larger than the sum of its proper divisors (24751405114).

40221033242 is a wasteful number, since it uses less digits than its factorization.

40221033242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546962832.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 40221033242 its reverse (24233012204), we get a palindrome (64454045446).

The spelling of 40221033242 in words is "forty billion, two hundred twenty-one million, thirty-three thousand, two hundred forty-two".