40320300004004 has 12 divisors (see below), whose sum is σ = 70562607105564. Its totient is φ = 20159555116704.

The previous prime is 40320300003959. The next prime is 40320300004007. The reversal of 40320300004004 is 40040000302304.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19802589000100 + 20517711003904 = 4450010^2 + 4529648^2 .

It is not an unprimeable number, because it can be changed into a prime (40320300004007) 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, 148568807 + ... + 148839950.

It is an arithmetic number, because the mean of its divisors is an integer number (5880217258797).

Almost surely, 2^{40320300004004} is an apocalyptic number.

It is an amenable number.

40320300004004 is a deficient number, since it is larger than the sum of its proper divisors (30242307101560).

40320300004004 is a wasteful number, since it uses less digits than its factorization.

40320300004004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297442654 (or 297442652 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 40320300004004 its reverse (40040000302304), we get a palindrome (80360300306308).

The spelling of 40320300004004 in words is "forty trillion, three hundred twenty billion, three hundred million, four thousand, four".