40041222444 has 18 divisors (see below), whose sum is σ = 101215312380. Its totient is φ = 13347074136.

The previous prime is 40041222371. The next prime is 40041222451. The reversal of 40041222444 is 44422214004.

40041222444 is a `hidden beast` number, since 4 + 0 + 0 + 412 + 2 + 244 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556128054 + ... + 556128125.

It is an arithmetic number, because the mean of its divisors is an integer number (5623072910).

Almost surely, 2^40041222444 is an apocalyptic number.

It is an amenable number.

40041222444 is an abundant number, since it is smaller than the sum of its proper divisors (61174089936).

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

40041222444 is a wasteful number, since it uses less digits than its factorization.

40041222444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112256189 (or 1112256184 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 40041222444 its reverse (44422214004), we get a palindrome (84463436448).

The spelling of 40041222444 in words is "forty billion, forty-one million, two hundred twenty-two thousand, four hundred forty-four".