40230320212 has 12 divisors (see below), whose sum is σ = 70408053940. Its totient is φ = 20113733376.

The previous prime is 40230320203. The next prime is 40230320231. The reversal of 40230320212 is 21202303204.

It can be written as a sum of positive squares in 2 ways, for example, as 30455834256 + 9774485956 = 174516^2 + 98866^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40230320212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291933 + ... + 407044.

Almost surely, 2^40230320212 is an apocalyptic number.

It is an amenable number.

40230320212 is a deficient number, since it is larger than the sum of its proper divisors (30177733728).

40230320212 is a wasteful number, since it uses less digits than its factorization.

40230320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713370 (or 713368 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 40230320212 its reverse (21202303204), we get a palindrome (61432623416).

The spelling of 40230320212 in words is "forty billion, two hundred thirty million, three hundred twenty thousand, two hundred twelve".