40353820885 has 24 divisors (see below), whose sum is σ = 58273085880. Its totient is φ = 26717007744.

The previous prime is 40353820883. The next prime is 40353820931. The reversal of 40353820885 is 58802835304.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9517758481 + 30836062404 = 97559^2 + 175602^2 .

It is not a de Polignac number, because 40353820885 - 2¹ = 40353820883 is a prime.

It is a super-4 number, since 4×40353820885⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40353820883) 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 23 ways as a sum of consecutive naturals, for example, 2832714 + ... + 2846923.

It is an arithmetic number, because the mean of its divisors is an integer number (2428045245).

Almost surely, 2^40353820885 is an apocalyptic number.

It is an amenable number.

40353820885 is a deficient number, since it is larger than the sum of its proper divisors (17919264995).

40353820885 is a wasteful number, since it uses less digits than its factorization.

40353820885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679685 (or 5679678 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 40353820885 in words is "forty billion, three hundred fifty-three million, eight hundred twenty thousand, eight hundred eighty-five".