40810 has 32 divisors (see below), whose sum is σ = 93312. Its totient is φ = 12480.

The previous prime is 40801. The next prime is 40813. The reversal of 40810 is 1804.

It is a super-2 number, since 2×40810² = 3330912200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744 + ... + 796.

It is an arithmetic number, because the mean of its divisors is an integer number (2916).

2⁴⁰⁸¹⁰ is an apocalyptic number.

40810 is an abundant number, since it is smaller than the sum of its proper divisors (52502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46656).

40810 is a wasteful number, since it uses less digits than its factorization.

40810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 40810 is about 202.0148509392. The cubic root of 40810 is about 34.4288247675.

It can be divided in two parts, 40 and 810, that multiplied together give a square (32400 = 180²).

The spelling of 40810 in words is "forty thousand, eight hundred ten".