40343440808 has 32 divisors (see below), whose sum is σ = 83337729120. Its totient is φ = 18156360000.

The previous prime is 40343440783. The next prime is 40343440853. The reversal of 40343440808 is 80804434304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2260658 + ... + 2278433.

It is an arithmetic number, because the mean of its divisors is an integer number (2604304035).

Almost surely, 2^40343440808 is an apocalyptic number.

It is an amenable number.

40343440808 is an abundant number, since it is smaller than the sum of its proper divisors (42994288312).

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

40343440808 is a wasteful number, since it uses less digits than its factorization.

40343440808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4539209 (or 4539205 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 38.

The spelling of 40343440808 in words is "forty billion, three hundred forty-three million, four hundred forty thousand, eight hundred eight".