740220320012 has 12 divisors (see below), whose sum is σ = 1307491967880. Its totient is φ = 366651186336.

The previous prime is 740220319997. The next prime is 740220320029. The reversal of 740220320012 is 210023022047.

It is a happy number.

It is a super-2 number, since 2×740220320012² (a number of 25 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 740220320012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864742937 + ... + 864743792.

It is an arithmetic number, because the mean of its divisors is an integer number (108957663990).

Almost surely, 2^740220320012 is an apocalyptic number.

It is an amenable number.

740220320012 is a deficient number, since it is larger than the sum of its proper divisors (567271647868).

740220320012 is a wasteful number, since it uses less digits than its factorization.

740220320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1729486840 (or 1729486838 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

Adding to 740220320012 its reverse (210023022047), we get a palindrome (950243342059).

The spelling of 740220320012 in words is "seven hundred forty billion, two hundred twenty million, three hundred twenty thousand, twelve".