40756 has 12 divisors (see below), whose sum is σ = 74592. Its totient is φ = 19448.

The previous prime is 40751. The next prime is 40759. The reversal of 40756 is 65704.

It is a super-2 number, since 2×40756² = 3322103072, which contains 22 as substring.

It is a pancake number, because a pancake can be divided into 40756 parts by 285 straight cuts.

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, 130 + ... + 313.

It is an arithmetic number, because the mean of its divisors is an integer number (6216).

2⁴⁰⁷⁵⁶ is an apocalyptic number.

40756 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40756 is a deficient number, since it is larger than the sum of its proper divisors (33836).

40756 is a wasteful number, since it uses less digits than its factorization.

40756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 40756 is about 201.8811531570. The cubic root of 40756 is about 34.4136325993.

The spelling of 40756 in words is "forty thousand, seven hundred fifty-six".