40212440312 has 16 divisors (see below), whose sum is σ = 82252719000. Its totient is φ = 18278381920.

The previous prime is 40212440311. The next prime is 40212440327. The reversal of 40212440312 is 21304421204.

40212440312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40212440311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228479687 + ... + 228479862.

Almost surely, 2^40212440312 is an apocalyptic number.

It is an amenable number.

40212440312 is an abundant number, since it is smaller than the sum of its proper divisors (42040278688).

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

40212440312 is a wasteful number, since it uses less digits than its factorization.

40212440312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456959566 (or 456959562 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 40212440312 its reverse (21304421204), we get a palindrome (61516861516).

The spelling of 40212440312 in words is "forty billion, two hundred twelve million, four hundred forty thousand, three hundred twelve".