40224004 has 6 divisors (see below), whose sum is σ = 70392014. Its totient is φ = 20112000.

The previous prime is 40223977. The next prime is 40224011. The reversal of 40224004 is 40042204.

It can be written as a sum of positive squares in only one way, i.e., 34692100 + 5531904 = 5890^2 + 2352^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5027997 + ... + 5028004.

Almost surely, 2^40224004 is an apocalyptic number.

It is an amenable number.

40224004 is a deficient number, since it is larger than the sum of its proper divisors (30168010).

40224004 is a wasteful number, since it uses less digits than its factorization.

40224004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056005 (or 10056003 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 40224004 is about 6342.2396674992. The cubic root of 40224004 is about 342.6324037433.

Adding to 40224004 its reverse (40042204), we get a palindrome (80266208).

The spelling of 40224004 in words is "forty million, two hundred twenty-four thousand, four".