40827 has 8 divisors (see below), whose sum is σ = 56320. Its totient is φ = 26280.

The previous prime is 40823. The next prime is 40829. The reversal of 40827 is 72804.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40827 - 2² = 40823 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (40823) 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, 127 + ... + 312.

It is an arithmetic number, because the mean of its divisors is an integer number (7040).

2⁴⁰⁸²⁷ is an apocalyptic number.

40827 is a deficient number, since it is larger than the sum of its proper divisors (15493).

40827 is a wasteful number, since it uses less digits than its factorization.

40827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473.

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 40827 is about 202.0569226728. The cubic root of 40827 is about 34.4336047133.

It can be divided in two parts, 408 and 27, that added together give a triangular number (435 = T₂₉).

The spelling of 40827 in words is "forty thousand, eight hundred twenty-seven".