40329853893 has 48 divisors (see below), whose sum is σ = 70551936000. Its totient is φ = 21708207360.

The previous prime is 40329853849. The next prime is 40329853979. The reversal of 40329853893 is 39835892304.

It is a happy number.

It is not a de Polignac number, because 40329853893 - 2²⁰ = 40328805317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40329855893) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194293 + ... + 344106.

It is an arithmetic number, because the mean of its divisors is an integer number (1469832000).

Almost surely, 2^40329853893 is an apocalyptic number.

It is an amenable number.

40329853893 is a deficient number, since it is larger than the sum of its proper divisors (30222082107).

40329853893 is a wasteful number, since it uses less digits than its factorization.

40329853893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538482 (or 538479 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 40329853893 in words is "forty billion, three hundred twenty-nine million, eight hundred fifty-three thousand, eight hundred ninety-three".