40743424513212 has 24 divisors (see below), whose sum is σ = 95216302546512. Its totient is φ = 13559954073600.

The previous prime is 40743424513189. The next prime is 40743424513217. The reversal of 40743424513212 is 21231542434704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40743424513217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2648420839 + ... + 2648436222.

It is an arithmetic number, because the mean of its divisors is an integer number (3967345939438).

Almost surely, 2^{40743424513212} is an apocalyptic number.

It is an amenable number.

40743424513212 is an abundant number, since it is smaller than the sum of its proper divisors (54472878033300).

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

40743424513212 is a wasteful number, since it uses less digits than its factorization.

40743424513212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5296857709 (or 5296857707 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

Adding to 40743424513212 its reverse (21231542434704), we get a palindrome (61974966947916).

The spelling of 40743424513212 in words is "forty trillion, seven hundred forty-three billion, four hundred twenty-four million, five hundred thirteen thousand, two hundred twelve".