40871586 has 96 divisors (see below), whose sum is σ = 100761408. Its totient is φ = 11007360.

The previous prime is 40871557. The next prime is 40871599. The reversal of 40871586 is 68517804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 669996 + ... + 670056.

It is an arithmetic number, because the mean of its divisors is an integer number (1049598).

Almost surely, 2^40871586 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40871586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50380704).

40871586 is an abundant number, since it is smaller than the sum of its proper divisors (59889822).

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

40871586 is a wasteful number, since it uses less digits than its factorization.

40871586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 40871586 is about 6393.0889247687. The cubic root of 40871586 is about 344.4613480509.

The spelling of 40871586 in words is "forty million, eight hundred seventy-one thousand, five hundred eighty-six".