40682438923169 has 4 divisors (see below), whose sum is σ = 40951859048640. Its totient is φ = 40413018797700.

The previous prime is 40682438923099. The next prime is 40682438923207. The reversal of 40682438923169 is 96132983428604.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40682438923169 is a prime.

It is a super-2 number, since 2×40682438923169² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40682438923369) 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, 134710062509 + ... + 134710062810.

It is an arithmetic number, because the mean of its divisors is an integer number (10237964762160).

Almost surely, 2^{40682438923169} is an apocalyptic number.

It is an amenable number.

40682438923169 is a deficient number, since it is larger than the sum of its proper divisors (269420125471).

40682438923169 is a wasteful number, since it uses less digits than its factorization.

40682438923169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269420125470.

The product of its (nonzero) digits is 107495424, while the sum is 65.

The spelling of 40682438923169 in words is "forty trillion, six hundred eighty-two billion, four hundred thirty-eight million, nine hundred twenty-three thousand, one hundred sixty-nine".