40224442145 has 8 divisors (see below), whose sum is σ = 49573907304. Its totient is φ = 31309835904.

The previous prime is 40224442121. The next prime is 40224442189. The reversal of 40224442145 is 54124442204.

It can be written as a sum of positive squares in 4 ways, for example, as 19002071104 + 21222371041 = 137848^2 + 145679^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40224442145 - 2²² = 40220247841 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108714524 + ... + 108714893.

It is an arithmetic number, because the mean of its divisors is an integer number (6196738413).

Almost surely, 2^40224442145 is an apocalyptic number.

It is an amenable number.

40224442145 is a deficient number, since it is larger than the sum of its proper divisors (9349465159).

40224442145 is a wasteful number, since it uses less digits than its factorization.

40224442145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217429459.

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 40224442145 its reverse (54124442204), we get a palindrome (94348884349).

The spelling of 40224442145 in words is "forty billion, two hundred twenty-four million, four hundred forty-two thousand, one hundred forty-five".