40475 has 6 divisors (see below), whose sum is σ = 50220. Its totient is φ = 32360.

The previous prime is 40471. The next prime is 40483. The reversal of 40475 is 57404.

It is not a de Polignac number, because 40475 - 2² = 40471 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (40471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 785 + ... + 834.

It is an arithmetic number, because the mean of its divisors is an integer number (8370).

2⁴⁰⁴⁷⁵ is an apocalyptic number.

40475 is a deficient number, since it is larger than the sum of its proper divisors (9745).

40475 is a wasteful number, since it uses less digits than its factorization.

40475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 40475 is about 201.1839953873. The cubic root of 40475 is about 34.3343596849.

Adding to 40475 its reverse (57404), we get a palindrome (97879).

It can be divided in two parts, 40 and 475, that added together give a palindrome (515).

The spelling of 40475 in words is "forty thousand, four hundred seventy-five".