40242403234212 has 24 divisors (see below), whose sum is σ = 93904894465536. Its totient is φ = 13413283899168.

The previous prime is 40242403234211. The next prime is 40242403234213. The reversal of 40242403234212 is 21243230424204.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40242403234211) and next prime (40242403234213).

It is not an unprimeable number, because it can be changed into a prime (40242403234211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106116868 + ... + 106495419.

It is an arithmetic number, because the mean of its divisors is an integer number (3912703936064).

Almost surely, 2^{40242403234212} is an apocalyptic number.

It is an amenable number.

40242403234212 is an abundant number, since it is smaller than the sum of its proper divisors (53662491231324).

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

40242403234212 is a wasteful number, since it uses less digits than its factorization.

40242403234212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212628067 (or 212628065 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 40242403234212 its reverse (21243230424204), we get a palindrome (61485633658416).

The spelling of 40242403234212 in words is "forty trillion, two hundred forty-two billion, four hundred three million, two hundred thirty-four thousand, two hundred twelve".