40090611287844 has 72 divisors (see below), whose sum is σ = 109141497096632. Its totient is φ = 12334900838400.

The previous prime is 40090611287833. The next prime is 40090611287849. The reversal of 40090611287844 is 44878211609004.

40090611287844 is a `hidden beast` number, since 400 + 9 + 0 + 6 + 1 + 128 + 78 + 44 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3624568668900 + 36466042618944 = 1903830^2 + 6038712^2 .

It is a super-2 number, since 2×40090611287844² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40090611287849) 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 23 ways as a sum of consecutive naturals, for example, 6302994 + ... + 10950294.

Almost surely, 2^{40090611287844} is an apocalyptic number.

It is an amenable number.

40090611287844 is an abundant number, since it is smaller than the sum of its proper divisors (69050885808788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40090611287844 is a wasteful number, since it uses less digits than its factorization.

40090611287844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665757 (or 4665752 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 40090611287844 in words is "forty trillion, ninety billion, six hundred eleven million, two hundred eighty-seven thousand, eight hundred forty-four".