40428016529569 has 8 divisors (see below), whose sum is σ = 40469186001920. Its totient is φ = 40386849241536.

The previous prime is 40428016529567. The next prime is 40428016529617. The reversal of 40428016529569 is 96592561082404.

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 40428016529569 - 2¹ = 40428016529567 is a prime.

It is a super-2 number, since 2×40428016529569² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40428016529567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37862872 + ... + 38915974.

It is an arithmetic number, because the mean of its divisors is an integer number (5058648250240).

Almost surely, 2^{40428016529569} is an apocalyptic number.

It is an amenable number.

40428016529569 is a deficient number, since it is larger than the sum of its proper divisors (41169472351).

40428016529569 is a wasteful number, since it uses less digits than its factorization.

40428016529569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092159.

The product of its (nonzero) digits is 37324800, while the sum is 61.

The spelling of 40428016529569 in words is "forty trillion, four hundred twenty-eight billion, sixteen million, five hundred twenty-nine thousand, five hundred sixty-nine".