40143441225 has 12 divisors (see below), whose sum is σ = 66370489616. Its totient is φ = 21409835280.

The previous prime is 40143441199. The next prime is 40143441229. The reversal of 40143441225 is 52214434104.

It is not a de Polignac number, because 40143441225 - 2⁸ = 40143440969 is a prime.

It is a super-2 number, since 2×40143441225² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40143441192 and 40143441201.

It is not an unprimeable number, because it can be changed into a prime (40143441229) 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 11 ways as a sum of consecutive naturals, for example, 267622867 + ... + 267623016.

Almost surely, 2^40143441225 is an apocalyptic number.

It is an amenable number.

40143441225 is a deficient number, since it is larger than the sum of its proper divisors (26227048391).

40143441225 is a wasteful number, since it uses less digits than its factorization.

40143441225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535245896 (or 535245891 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 40143441225 its reverse (52214434104), we get a palindrome (92357875329).

The spelling of 40143441225 in words is "forty billion, one hundred forty-three million, four hundred forty-one thousand, two hundred twenty-five".