40155244011 has 12 divisors (see below), whose sum is σ = 58035357120. Its totient is φ = 26754775920.

The previous prime is 40155243983. The next prime is 40155244061. The reversal of 40155244011 is 11044255104.

40155244011 is a `hidden beast` number, since 401 + 5 + 5 + 244 + 0 + 11 = 666.

It is not a de Polignac number, because 40155244011 - 2¹¹ = 40155241963 is a prime.

It is a super-3 number, since 3×40155244011³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (40155244061) 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 11 ways as a sum of consecutive naturals, for example, 1265691 + ... + 1297028.

It is an arithmetic number, because the mean of its divisors is an integer number (4836279760).

Almost surely, 2^40155244011 is an apocalyptic number.

40155244011 is a deficient number, since it is larger than the sum of its proper divisors (17880113109).

40155244011 is a wasteful number, since it uses less digits than its factorization.

40155244011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564466 (or 2564463 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 40155244011 its reverse (11044255104), we get a palindrome (51199499115).

The spelling of 40155244011 in words is "forty billion, one hundred fifty-five million, two hundred forty-four thousand, eleven".