40423246002 has 12 divisors (see below), whose sum is σ = 87583699710. Its totient is φ = 13474415328.

The previous prime is 40423246001. The next prime is 40423246043. The reversal of 40423246002 is 20064232404.

It can be written as a sum of positive squares in only one way, i.e., 40325057721 + 98188281 = 200811^2 + 9909^2 .

It is not an unprimeable number, because it can be changed into a prime (40423246001) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1122867927 + ... + 1122867962.

Almost surely, 2^40423246002 is an apocalyptic number.

40423246002 is an abundant number, since it is smaller than the sum of its proper divisors (47160453708).

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

40423246002 is a wasteful number, since it uses less digits than its factorization.

40423246002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245735897 (or 2245735894 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 40423246002 its reverse (20064232404), we get a palindrome (60487478406).

The spelling of 40423246002 in words is "forty billion, four hundred twenty-three million, two hundred forty-six thousand, two".