40995511893 has 12 divisors (see below), whose sum is σ = 67675130848. Its totient is φ = 23426006760.

The previous prime is 40995511891. The next prime is 40995511897. The reversal of 40995511893 is 39811559904.

40995511893 is a `hidden beast` number, since 4 + 0 + 9 + 9 + 551 + 1 + 89 + 3 = 666.

It is not a de Polignac number, because 40995511893 - 2¹ = 40995511891 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40995511891) 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, 325361143 + ... + 325361268.

Almost surely, 2^40995511893 is an apocalyptic number.

It is an amenable number.

40995511893 is a deficient number, since it is larger than the sum of its proper divisors (26679618955).

40995511893 is a wasteful number, since it uses less digits than its factorization.

40995511893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650722424 (or 650722421 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 54.

The spelling of 40995511893 in words is "forty billion, nine hundred ninety-five million, five hundred eleven thousand, eight hundred ninety-three".