40242224444 has 12 divisors (see below), whose sum is σ = 70533421224. Its totient is φ = 20089818384.

The previous prime is 40242224437. The next prime is 40242224489. The reversal of 40242224444 is 44442224204.

It is a super-2 number, since 2×40242224444² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40242224444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7820567 + ... + 7825710.

It is an arithmetic number, because the mean of its divisors is an integer number (5877785102).

Almost surely, 2^40242224444 is an apocalyptic number.

It is an amenable number.

40242224444 is a deficient number, since it is larger than the sum of its proper divisors (30291196780).

40242224444 is a wasteful number, since it uses less digits than its factorization.

40242224444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15646924 (or 15646922 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40242224444 its reverse (44442224204), we get a palindrome (84684448648).

The spelling of 40242224444 in words is "forty billion, two hundred forty-two million, two hundred twenty-four thousand, four hundred forty-four".