40893665511 has 48 divisors (see below), whose sum is σ = 59830672896. Its totient is φ = 24779418048.

The previous prime is 40893665509. The next prime is 40893665569. The reversal of 40893665511 is 11556639804.

It is not a de Polignac number, because 40893665511 - 2¹ = 40893665509 is a prime.

It is a super-2 number, since 2×40893665511² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40893665411) 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 47 ways as a sum of consecutive naturals, for example, 4716166 + ... + 4724828.

It is an arithmetic number, because the mean of its divisors is an integer number (1246472352).

Almost surely, 2^40893665511 is an apocalyptic number.

40893665511 is a deficient number, since it is larger than the sum of its proper divisors (18937007385).

40893665511 is a wasteful number, since it uses less digits than its factorization.

40893665511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8812 (or 8769 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 40893665511 in words is "forty billion, eight hundred ninety-three million, six hundred sixty-five thousand, five hundred eleven".