40758 has 8 divisors (see below), whose sum is σ = 81528. Its totient is φ = 13584.

The previous prime is 40751. The next prime is 40759. The reversal of 40758 is 85704.

40758 is nontrivially palindromic in base 9.

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

40758 is an admirable number.

It is a super-2 number, since 2×40758² = 3322429128, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3391 + ... + 3402.

It is an arithmetic number, because the mean of its divisors is an integer number (10191).

2⁴⁰⁷⁵⁸ is an apocalyptic number.

40758 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (40764).

40758 is a wasteful number, since it uses less digits than its factorization.

40758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6798.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 40758 is about 201.8861065056. The cubic root of 40758 is about 34.4141955114.

It can be divided in two parts, 407 and 58, that added together give a triangular number (465 = T₃₀).

The spelling of 40758 in words is "forty thousand, seven hundred fifty-eight".