40231134212 has 24 divisors (see below), whose sum is σ = 71838156096. Its totient is φ = 19707061088.

The previous prime is 40231134193. The next prime is 40231134221. The reversal of 40231134212 is 21243113204.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5873 + ... + 283719.

It is an arithmetic number, because the mean of its divisors is an integer number (2993256504).

Almost surely, 2^40231134212 is an apocalyptic number.

It is an amenable number.

40231134212 is a deficient number, since it is larger than the sum of its proper divisors (31607021884).

40231134212 is a wasteful number, since it uses less digits than its factorization.

40231134212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278587 (or 278585 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 40231134212 its reverse (21243113204), we get a palindrome (61474247416).

The spelling of 40231134212 in words is "forty billion, two hundred thirty-one million, one hundred thirty-four thousand, two hundred twelve".