40871798 has 16 divisors (see below), whose sum is σ = 68144976. Its totient is φ = 18227040.

The previous prime is 40871797. The next prime is 40871821. The reversal of 40871798 is 89717804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40871797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16361 + ... + 18692.

It is an arithmetic number, because the mean of its divisors is an integer number (4259061).

Almost surely, 2^40871798 is an apocalyptic number.

40871798 is a deficient number, since it is larger than the sum of its proper divisors (27273178).

40871798 is a wasteful number, since it uses less digits than its factorization.

40871798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35119.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 40871798 is about 6393.1055051516. The cubic root of 40871798 is about 344.4619436209.

It can be divided in two parts, 4087 and 1798, that added together give a palindrome (5885).

The spelling of 40871798 in words is "forty million, eight hundred seventy-one thousand, seven hundred ninety-eight".