40871834 has 12 divisors (see below), whose sum is σ = 62844702. Its totient is φ = 19935840.

The previous prime is 40871833. The next prime is 40871849. The reversal of 40871834 is 43817804.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4305625 + 36566209 = 2075^2 + 6047^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40871794 and 40871803.

It is not an unprimeable number, because it can be changed into a prime (40871833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2717 + ... + 9440.

Almost surely, 2^40871834 is an apocalyptic number.

40871834 is a deficient number, since it is larger than the sum of its proper divisors (21972868).

40871834 is a wasteful number, since it uses less digits than its factorization.

40871834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12241 (or 12200 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 40871834 is about 6393.1083206841. The cubic root of 40871834 is about 344.4620447553.

The spelling of 40871834 in words is "forty million, eight hundred seventy-one thousand, eight hundred thirty-four".