40160512240021 has 8 divisors (see below), whose sum is σ = 42928734187584. Its totient is φ = 37477466352480.

The previous prime is 40160512240019. The next prime is 40160512240027. The reversal of 40160512240021 is 12004221506104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40160512240021 - 2¹ = 40160512240019 is a prime.

It is a super-2 number, since 2×40160512240021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40160512240027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21294014031 + ... + 21294015916.

It is an arithmetic number, because the mean of its divisors is an integer number (5366091773448).

Almost surely, 2^{40160512240021} is an apocalyptic number.

40160512240021 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40160512240021 is a deficient number, since it is larger than the sum of its proper divisors (2768221947563).

40160512240021 is a wasteful number, since it uses less digits than its factorization.

40160512240021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42588030011.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 40160512240021 its reverse (12004221506104), we get a palindrome (52164733746125).

The spelling of 40160512240021 in words is "forty trillion, one hundred sixty billion, five hundred twelve million, two hundred forty thousand, twenty-one".