40321801168 has 20 divisors (see below), whose sum is σ = 85225625568. Its totient is φ = 18328091360.

The previous prime is 40321801127. The next prime is 40321801171. The reversal of 40321801168 is 86110812304.

It is a congruent number.

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, 114550396 + ... + 114550747.

Almost surely, 2^40321801168 is an apocalyptic number.

It is an amenable number.

40321801168 is an abundant number, since it is smaller than the sum of its proper divisors (44903824400).

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

40321801168 is a wasteful number, since it uses less digits than its factorization.

40321801168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229101162 (or 229101156 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 40321801168 in words is "forty billion, three hundred twenty-one million, eight hundred one thousand, one hundred sixty-eight".