40443403340 has 12 divisors (see below), whose sum is σ = 84931147056. Its totient is φ = 16177361328.

The previous prime is 40443403331. The next prime is 40443403369. The reversal of 40443403340 is 4330434404.

40443403340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011085064 + ... + 1011085103.

It is an arithmetic number, because the mean of its divisors is an integer number (7077595588).

Almost surely, 2^40443403340 is an apocalyptic number.

It is an amenable number.

40443403340 is an abundant number, since it is smaller than the sum of its proper divisors (44487743716).

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

40443403340 is a wasteful number, since it uses less digits than its factorization.

40443403340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022170176 (or 2022170174 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 40443403340 its reverse (4330434404), we get a palindrome (44773837744).

The spelling of 40443403340 in words is "forty billion, four hundred forty-three million, four hundred three thousand, three hundred forty".