40423042212 has 48 divisors (see below), whose sum is σ = 108456133632. Its totient is φ = 11478581280.

The previous prime is 40423042211. The next prime is 40423042213. The reversal of 40423042212 is 21224032404.

It is an interprime number because it is at equal distance from previous prime (40423042211) and next prime (40423042213).

It is not an unprimeable number, because it can be changed into a prime (40423042211) 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 15 ways as a sum of consecutive naturals, for example, 1462464 + ... + 1489847.

It is an arithmetic number, because the mean of its divisors is an integer number (2259502784).

Almost surely, 2^40423042212 is an apocalyptic number.

40423042212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40423042212 is an abundant number, since it is smaller than the sum of its proper divisors (68033091420).

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

40423042212 is a wasteful number, since it uses less digits than its factorization.

40423042212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2952488 (or 2952486 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40423042212 its reverse (21224032404), we get a palindrome (61647074616).

The spelling of 40423042212 in words is "forty billion, four hundred twenty-three million, forty-two thousand, two hundred twelve".