40319871 has 16 divisors (see below), whose sum is σ = 56263680. Its totient is φ = 25652160.

The previous prime is 40319857. The next prime is 40319879. The reversal of 40319871 is 17891304.

It is not a de Polignac number, because 40319871 - 2⁷ = 40319743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40319879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3820 + ... + 9758.

It is an arithmetic number, because the mean of its divisors is an integer number (3516480).

Almost surely, 2^40319871 is an apocalyptic number.

40319871 is a deficient number, since it is larger than the sum of its proper divisors (15943809).

40319871 is a wasteful number, since it uses less digits than its factorization.

40319871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6046.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 40319871 is about 6349.7929887517. The cubic root of 40319871 is about 342.9043895951.

The spelling of 40319871 in words is "forty million, three hundred nineteen thousand, eight hundred seventy-one".