40715 has 8 divisors (see below), whose sum is σ = 51840. Its totient is φ = 30592.

The previous prime is 40709. The next prime is 40739. The reversal of 40715 is 51704.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40715 - 2⁴ = 40699 is a prime.

It is a super-2 number, since 2×40715² = 3315422450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 40693 and 40702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155 + ... + 324.

It is an arithmetic number, because the mean of its divisors is an integer number (6480).

2⁴⁰⁷¹⁵ is an apocalyptic number.

40715 is a deficient number, since it is larger than the sum of its proper divisors (11125).

40715 is a wasteful number, since it uses less digits than its factorization.

40715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 40715 is about 201.7795827134. The cubic root of 40715 is about 34.4020888402.

It can be divided in two parts, 407 and 15, that multiplied together give a triangular number (6105 = T₁₁₀).

The spelling of 40715 in words is "forty thousand, seven hundred fifteen".