40436822685 has 64 divisors (see below), whose sum is σ = 77293486080. Its totient is φ = 17662544640.

The previous prime is 40436822683. The next prime is 40436822731. The reversal of 40436822685 is 58622863404.

It is not a de Polignac number, because 40436822685 - 2¹ = 40436822683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40436822683) 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 63 ways as a sum of consecutive naturals, for example, 178519 + ... + 335771.

It is an arithmetic number, because the mean of its divisors is an integer number (1207710720).

Almost surely, 2^40436822685 is an apocalyptic number.

It is an amenable number.

40436822685 is a deficient number, since it is larger than the sum of its proper divisors (36856663395).

40436822685 is a wasteful number, since it uses less digits than its factorization.

40436822685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157378.

The product of its (nonzero) digits is 2211840, while the sum is 48.

The spelling of 40436822685 in words is "forty billion, four hundred thirty-six million, eight hundred twenty-two thousand, six hundred eighty-five".