40311313443212 has 36 divisors (see below), whose sum is σ = 82068120527400. Its totient is φ = 17275055321664.

The previous prime is 40311313443143. The next prime is 40311313443227. The reversal of 40311313443212 is 21234431311304.

It is a super-2 number, since 2×40311313443212² (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 11 ways as a sum of consecutive naturals, for example, 4491962 + ... + 10039937.

It is an arithmetic number, because the mean of its divisors is an integer number (2279670014650).

Almost surely, 2^{40311313443212} is an apocalyptic number.

It is an amenable number.

40311313443212 is an abundant number, since it is smaller than the sum of its proper divisors (41756807084188).

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

40311313443212 is a wasteful number, since it uses less digits than its factorization.

40311313443212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14546070 (or 14546061 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 40311313443212 its reverse (21234431311304), we get a palindrome (61545744754516).

The spelling of 40311313443212 in words is "forty trillion, three hundred eleven billion, three hundred thirteen million, four hundred forty-three thousand, two hundred twelve".