40522161444 has 24 divisors (see below), whose sum is σ = 94620915648. Its totient is φ = 13497500640.

The previous prime is 40522161437. The next prime is 40522161467. The reversal of 40522161444 is 44416122504.

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, 1218727 + ... + 1251534.

It is an arithmetic number, because the mean of its divisors is an integer number (3942538152).

Almost surely, 2^40522161444 is an apocalyptic number.

It is an amenable number.

40522161444 is an abundant number, since it is smaller than the sum of its proper divisors (54098754204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40522161444 is a wasteful number, since it uses less digits than its factorization.

40522161444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2471635 (or 2471633 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 40522161444 its reverse (44416122504), we get a palindrome (84938283948).

The spelling of 40522161444 in words is "forty billion, five hundred twenty-two million, one hundred sixty-one thousand, four hundred forty-four".