40383871 has 8 divisors (see below), whose sum is σ = 44420688. Its totient is φ = 36711400.

The previous prime is 40383869. The next prime is 40383881. The reversal of 40383871 is 17838304.

It is not a de Polignac number, because 40383871 - 2¹ = 40383869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40383851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13840 + ... + 16501.

It is an arithmetic number, because the mean of its divisors is an integer number (5552586).

Almost surely, 2^40383871 is an apocalyptic number.

40383871 is a deficient number, since it is larger than the sum of its proper divisors (4036817).

40383871 is an equidigital number, since it uses as much as digits as its factorization.

40383871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30374 (or 30352 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 40383871 is about 6354.8305248842. The cubic root of 40383871 is about 343.0857251583.

The spelling of 40383871 in words is "forty million, three hundred eighty-three thousand, eight hundred seventy-one".