40342310212 has 12 divisors (see below), whose sum is σ = 70669019260. Its totient is φ = 20151161856.

The previous prime is 40342310189. The next prime is 40342310219. The reversal of 40342310212 is 21201324304.

It can be written as a sum of positive squares in 2 ways, for example, as 14654555136 + 25687755076 = 121056^2 + 160274^2 .

It is not an unprimeable number, because it can be changed into a prime (40342310219) 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, 4993773 + ... + 5001844.

Almost surely, 2^40342310212 is an apocalyptic number.

It is an amenable number.

40342310212 is a deficient number, since it is larger than the sum of its proper divisors (30326709048).

40342310212 is a wasteful number, since it uses less digits than its factorization.

40342310212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996630 (or 9996628 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 40342310212 its reverse (21201324304), we get a palindrome (61543634516).

The spelling of 40342310212 in words is "forty billion, three hundred forty-two million, three hundred ten thousand, two hundred twelve".