40811893875 has 32 divisors (see below), whose sum is σ = 75456663360. Its totient is φ = 21766341600.

The previous prime is 40811893861. The next prime is 40811893877. The reversal of 40811893875 is 57839811804.

40811893875 is a `hidden beast` number, since 4 + 0 + 81 + 189 + 387 + 5 = 666.

It is not a de Polignac number, because 40811893875 - 2⁷ = 40811893747 is a prime.

It is a super-2 number, since 2×40811893875² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40811893877) 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 31 ways as a sum of consecutive naturals, for example, 6042832 + ... + 6049581.

It is an arithmetic number, because the mean of its divisors is an integer number (2358020730).

Almost surely, 2^40811893875 is an apocalyptic number.

40811893875 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40811893875 is a deficient number, since it is larger than the sum of its proper divisors (34644769485).

40811893875 is a wasteful number, since it uses less digits than its factorization.

40811893875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12092437 (or 12092421 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 40811893875 in words is "forty billion, eight hundred eleven million, eight hundred ninety-three thousand, eight hundred seventy-five".