40252221244 has 24 divisors (see below), whose sum is σ = 71284063536. Its totient is φ = 19886160000.

The previous prime is 40252221239. The next prime is 40252221277. The reversal of 40252221244 is 44212225204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96904 + ... + 299824.

It is an arithmetic number, because the mean of its divisors is an integer number (2970169314).

Almost surely, 2^40252221244 is an apocalyptic number.

It is an amenable number.

40252221244 is a deficient number, since it is larger than the sum of its proper divisors (31031842292).

40252221244 is a wasteful number, since it uses less digits than its factorization.

40252221244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203517 (or 203515 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 40252221244 its reverse (44212225204), we get a palindrome (84464446448).

The spelling of 40252221244 in words is "forty billion, two hundred fifty-two million, two hundred twenty-one thousand, two hundred forty-four".