40165740643877 has 4 divisors (see below), whose sum is σ = 40165787407200. Its totient is φ = 40165693880556.

The previous prime is 40165740643807. The next prime is 40165740643879. The reversal of 40165740643877 is 77834604756104.

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 not a de Polignac number, because 40165740643877 - 2¹² = 40165740639781 is a prime.

It is a super-2 number, since 2×40165740643877² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40165740643879) 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, 22068713 + ... + 23819310.

It is an arithmetic number, because the mean of its divisors is an integer number (10041446851800).

Almost surely, 2^{40165740643877} is an apocalyptic number.

It is an amenable number.

40165740643877 is a deficient number, since it is larger than the sum of its proper divisors (46763323).

40165740643877 is an equidigital number, since it uses as much as digits as its factorization.

40165740643877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46763322.

The product of its (nonzero) digits is 94832640, while the sum is 62.

The spelling of 40165740643877 in words is "forty trillion, one hundred sixty-five billion, seven hundred forty million, six hundred forty-three thousand, eight hundred seventy-seven".