40953555081 has 12 divisors (see below), whose sum is σ = 59185143108. Its totient is φ = 27288520224.

The previous prime is 40953555079. The next prime is 40953555091. The reversal of 40953555081 is 18055535904.

40953555081 is a `hidden beast` number, since 4 + 0 + 95 + 3 + 5 + 550 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22807040400 + 18146514681 = 151020^2 + 134709^2 .

It is not a de Polignac number, because 40953555081 - 2¹ = 40953555079 is a prime.

It is a super-2 number, since 2×40953555081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40953555091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1135410 + ... + 1170923.

It is an arithmetic number, because the mean of its divisors is an integer number (4932095259).

Almost surely, 2^40953555081 is an apocalyptic number.

It is an amenable number.

40953555081 is a deficient number, since it is larger than the sum of its proper divisors (18231588027).

40953555081 is a wasteful number, since it uses less digits than its factorization.

40953555081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308312 (or 2308309 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The spelling of 40953555081 in words is "forty billion, nine hundred fifty-three million, five hundred fifty-five thousand, eighty-one".