40748 has 12 divisors (see below), whose sum is σ = 72912. Its totient is φ = 19920.

The previous prime is 40739. The next prime is 40751. The reversal of 40748 is 84704.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161 + ... + 327.

It is an arithmetic number, because the mean of its divisors is an integer number (6076).

2⁴⁰⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

40748 is a deficient number, since it is larger than the sum of its proper divisors (32164).

40748 is a wasteful number, since it uses less digits than its factorization.

40748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 40748 is about 201.8613385470. The cubic root of 40748 is about 34.4113807666.

Subtracting 40748 from its reverse (84704), we obtain a triangular number (43956 = T₂₉₆).

The spelling of 40748 in words is "forty thousand, seven hundred forty-eight".