40871544 has 64 divisors (see below), whose sum is σ = 117431040. Its totient is φ = 11612160.

The previous prime is 40871531. The next prime is 40871557. The reversal of 40871544 is 44517804.

It is an interprime number because it is at equal distance from previous prime (40871531) and next prime (40871557).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34872 + ... + 36024.

It is an arithmetic number, because the mean of its divisors is an integer number (1834860).

Almost surely, 2^40871544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40871544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58715520).

40871544 is an abundant number, since it is smaller than the sum of its proper divisors (76559496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40871544 is a wasteful number, since it uses less digits than its factorization.

40871544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 1376 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 40871544 is about 6393.0856399707. The cubic root of 40871544 is about 344.4612300603.

The spelling of 40871544 in words is "forty million, eight hundred seventy-one thousand, five hundred forty-four".