40916 has 12 divisors (see below), whose sum is σ = 73332. Its totient is φ = 19968.

The previous prime is 40903. The next prime is 40927. The reversal of 40916 is 61904.

It can be written as a sum of positive squares in 2 ways, for example, as 19600 + 21316 = 140^2 + 146^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116 + ... + 308.

It is an arithmetic number, because the mean of its divisors is an integer number (6111).

2⁴⁰⁹¹⁶ is an apocalyptic number.

It is an amenable number.

40916 is a deficient number, since it is larger than the sum of its proper divisors (32416).

40916 is a wasteful number, since it uses less digits than its factorization.

40916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 40916 is about 202.2770377477. The cubic root of 40916 is about 34.4586075027.

The spelling of 40916 in words is "forty thousand, nine hundred sixteen".