40224022004 has 12 divisors (see below), whose sum is σ = 70393455300. Its totient is φ = 20111606208.

The previous prime is 40224022001. The next prime is 40224022009. The reversal of 40224022004 is 40022042204.

It can be written as a sum of positive squares in 2 ways, for example, as 20908581604 + 19315440400 = 144598^2 + 138980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40224022001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292952 + ... + 407760.

It is an arithmetic number, because the mean of its divisors is an integer number (5866121275).

Almost surely, 2^40224022004 is an apocalyptic number.

It is an amenable number.

40224022004 is a deficient number, since it is larger than the sum of its proper divisors (30169433296).

40224022004 is a wasteful number, since it uses less digits than its factorization.

40224022004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202402 (or 202400 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40224022004 its reverse (40022042204), we get a palindrome (80246064208).

The spelling of 40224022004 in words is "forty billion, two hundred twenty-four million, twenty-two thousand, four".