40340033005545 has 144 divisors (see below), whose sum is σ = 87971461158672. Its totient is φ = 16949546127360.

The previous prime is 40340033005487. The next prime is 40340033005579. The reversal of 40340033005545 is 54550033004304.

40340033005545 is a `hidden beast` number, since 4 + 0 + 340 + 0 + 3 + 300 + 5 + 5 + 4 + 5 = 666.

40340033005545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 12644190121689 + 27695842883856 = 3555867^2 + 5262684^2 .

It is not a de Polignac number, because 40340033005545 - 2¹² = 40340033001449 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3659005 + ... + 9698885.

It is an arithmetic number, because the mean of its divisors is an integer number (610912924713).

Almost surely, 2^{40340033005545} is an apocalyptic number.

40340033005545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40340033005545 is an abundant number, since it is smaller than the sum of its proper divisors (47631428153127).

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

40340033005545 is a wasteful number, since it uses less digits than its factorization.

40340033005545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6040152 (or 6040142 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

Adding to 40340033005545 its reverse (54550033004304), we get a palindrome (94890066009849).

The spelling of 40340033005545 in words is "forty trillion, three hundred forty billion, thirty-three million, five thousand, five hundred forty-five".