40576 has 16 divisors (see below), whose sum is σ = 81090. Its totient is φ = 20224.

The previous prime is 40559. The next prime is 40577. The reversal of 40576 is 67504.

It can be written as a sum of positive squares in only one way, i.e., 40000 + 576 = 200^2 + 24^2 .

It is a tau number, because it is divible by the number of its divisors (16).

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 as a sum of consecutive naturals, namely, 31 + ... + 286.

2⁴⁰⁵⁷⁶ is an apocalyptic number.

It is an amenable number.

40576 is a deficient number, since it is larger than the sum of its proper divisors (40514).

40576 is an equidigital number, since it uses as much as digits as its factorization.

40576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 40576 is about 201.4348529922. The cubic root of 40576 is about 34.3628949113.

It can be divided in two parts, 4057 and 6, that multiplied together give a palindrome (24342).

The spelling of 40576 in words is "forty thousand, five hundred seventy-six".