40163423687212 has 24 divisors (see below), whose sum is σ = 80580244387104. Its totient is φ = 17158596506112.

The previous prime is 40163423687207. The next prime is 40163423687243. The reversal of 40163423687212 is 21278632436104.

It is a super-2 number, since 2×40163423687212² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2262464293 + ... + 2262482044.

It is an arithmetic number, because the mean of its divisors is an integer number (3357510182796).

Almost surely, 2^{40163423687212} is an apocalyptic number.

It is an amenable number.

40163423687212 is an abundant number, since it is smaller than the sum of its proper divisors (40416820699892).

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

40163423687212 is a wasteful number, since it uses less digits than its factorization.

40163423687212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524946665 (or 4524946663 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 49.

The spelling of 40163423687212 in words is "forty trillion, one hundred sixty-three billion, four hundred twenty-three million, six hundred eighty-seven thousand, two hundred twelve".