40769166895769 has 8 divisors (see below), whose sum is σ = 44159044270152. Its totient is φ = 37415544894720.

The previous prime is 40769166895673. The next prime is 40769166895789. The reversal of 40769166895769 is 96759866196704.

It can be written as a sum of positive squares in 4 ways, for example, as 19069920415744 + 21699246480025 = 4366912^2 + 4658245^2 .

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 40769166895769 - 2²⁴ = 40769150118553 is a prime.

It is a super-2 number, since 2×40769166895769² (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 (40769166895789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9063840992 + ... + 9063845489.

It is an arithmetic number, because the mean of its divisors is an integer number (5519880533769).

Almost surely, 2^{40769166895769} is an apocalyptic number.

It is an amenable number.

40769166895769 is a deficient number, since it is larger than the sum of its proper divisors (3389877374383).

40769166895769 is a wasteful number, since it uses less digits than its factorization.

40769166895769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18127686667.

The product of its (nonzero) digits is 7407106560, while the sum is 83.

The spelling of 40769166895769 in words is "forty trillion, seven hundred sixty-nine billion, one hundred sixty-six million, eight hundred ninety-five thousand, seven hundred sixty-nine".