40005875 has 32 divisors (see below), whose sum is σ = 61466496. Its totient is φ = 25315200.

The previous prime is 40005871. The next prime is 40005907. The reversal of 40005875 is 57850004.

40005875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40005875 - 2² = 40005871 is a prime.

It is a super-3 number, since 3×40005875³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40005871) 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, 9617 + ... + 13133.

It is an arithmetic number, because the mean of its divisors is an integer number (1920828).

Almost surely, 2^40005875 is an apocalyptic number.

40005875 is a deficient number, since it is larger than the sum of its proper divisors (21460621).

40005875 is a wasteful number, since it uses less digits than its factorization.

40005875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552 (or 3542 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 40005875 is about 6325.0197628150. The cubic root of 40005875 is about 342.0119320301.

Adding to 40005875 its reverse (57850004), we get a palindrome (97855879).

The spelling of 40005875 in words is "forty million, five thousand, eight hundred seventy-five".