40303204312 has 32 divisors (see below), whose sum is σ = 87156352800. Its totient is φ = 17114333184.

The previous prime is 40303204307. The next prime is 40303204363. The reversal of 40303204312 is 21340230304.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3295273 + ... + 3307480.

It is an arithmetic number, because the mean of its divisors is an integer number (2723636025).

Almost surely, 2^40303204312 is an apocalyptic number.

It is an amenable number.

40303204312 is an abundant number, since it is smaller than the sum of its proper divisors (46853148488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40303204312 is a wasteful number, since it uses less digits than its factorization.

40303204312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6602875 (or 6602871 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 40303204312 its reverse (21340230304), we get a palindrome (61643434616).

The spelling of 40303204312 in words is "forty billion, three hundred three million, two hundred four thousand, three hundred twelve".