40546 has 16 divisors (see below), whose sum is σ = 70560. Its totient is φ = 17280.

The previous prime is 40543. The next prime is 40559. The reversal of 40546 is 64504.

40546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (40543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370 + ... + 466.

It is an arithmetic number, because the mean of its divisors is an integer number (4410).

2⁴⁰⁵⁴⁶ is an apocalyptic number.

40546 is a deficient number, since it is larger than the sum of its proper divisors (30014).

40546 is a wasteful number, since it uses less digits than its factorization.

40546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40546 is about 201.3603734601. The cubic root of 40546 is about 34.3544240499.

The spelling of 40546 in words is "forty thousand, five hundred forty-six".