40035854759669 has 4 divisors (see below), whose sum is σ = 40048732168620. Its totient is φ = 40022977350720.

The previous prime is 40035854759627. The next prime is 40035854759741. The reversal of 40035854759669 is 96695745853004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20066905752100 + 19968949007569 = 4479610^2 + 4468663^2 .

It is a cyclic number.

It is not a de Polignac number, because 40035854759669 - 2⁸ = 40035854759413 is a prime.

It is a super-2 number, since 2×40035854759669² (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 (40035854719669) 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, 6438699812 + ... + 6438706029.

It is an arithmetic number, because the mean of its divisors is an integer number (10012183042155).

Almost surely, 2^{40035854759669} is an apocalyptic number.

It is an amenable number.

40035854759669 is a deficient number, since it is larger than the sum of its proper divisors (12877408951).

40035854759669 is a wasteful number, since it uses less digits than its factorization.

40035854759669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12877408950.

The product of its (nonzero) digits is 979776000, while the sum is 71.

The spelling of 40035854759669 in words is "forty trillion, thirty-five billion, eight hundred fifty-four million, seven hundred fifty-nine thousand, six hundred sixty-nine".