40320412412 has 48 divisors (see below), whose sum is σ = 83000171520. Its totient is φ = 16776631872.

The previous prime is 40320412367. The next prime is 40320412427. The reversal of 40320412412 is 21421402304.

40320412412 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437639 + ... + 521697.

It is an arithmetic number, because the mean of its divisors is an integer number (1729170240).

Almost surely, 2^40320412412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40320412412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41500085760).

40320412412 is an abundant number, since it is smaller than the sum of its proper divisors (42679759108).

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

40320412412 is a wasteful number, since it uses less digits than its factorization.

40320412412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84570 (or 84568 counting only the distinct ones).

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

Adding to 40320412412 its reverse (21421402304), we get a palindrome (61741814716).

The spelling of 40320412412 in words is "forty billion, three hundred twenty million, four hundred twelve thousand, four hundred twelve".