40575 has 12 divisors (see below), whose sum is σ = 67208. Its totient is φ = 21600.

The previous prime is 40559. The next prime is 40577. The reversal of 40575 is 57504.

It is not a de Polignac number, because 40575 - 2⁴ = 40559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196 + ... + 345.

2⁴⁰⁵⁷⁵ is an apocalyptic number.

40575 is a deficient number, since it is larger than the sum of its proper divisors (26633).

40575 is a wasteful number, since it uses less digits than its factorization.

40575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 40575 is about 201.4323707848. The cubic root of 40575 is about 34.3626126165.

The spelling of 40575 in words is "forty thousand, five hundred seventy-five".