40352163389 has 4 divisors (see below), whose sum is σ = 40352612256. Its totient is φ = 40351714524.

The previous prime is 40352163347. The next prime is 40352163437. The reversal of 40352163389 is 98336125304.

40352163389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40352163389 - 2⁸ = 40352163133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40352163689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37919 + ... + 286604.

It is an arithmetic number, because the mean of its divisors is an integer number (10088153064).

Almost surely, 2^40352163389 is an apocalyptic number.

It is an amenable number.

40352163389 is a deficient number, since it is larger than the sum of its proper divisors (448867).

40352163389 is a wasteful number, since it uses less digits than its factorization.

40352163389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448866.

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 40352163389 in words is "forty billion, three hundred fifty-two million, one hundred sixty-three thousand, three hundred eighty-nine".