40871550852 has 108 divisors (see below), whose sum is σ = 114058914060. Its totient is φ = 12330933120.

The previous prime is 40871550823. The next prime is 40871550857. The reversal of 40871550852 is 25805517804.

40871550852 is a `hidden beast` number, since 4 + 0 + 87 + 15 + 508 + 52 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 39308613696 + 1562937156 = 198264^2 + 39534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40871550798 and 40871550807.

It is not an unprimeable number, because it can be changed into a prime (40871550857) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 977038 + ... + 1018010.

Almost surely, 2^40871550852 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 40871550852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57029457030).

40871550852 is an abundant number, since it is smaller than the sum of its proper divisors (73187363208).

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

40871550852 is a wasteful number, since it uses less digits than its factorization.

40871550852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41234 (or 41218 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The spelling of 40871550852 in words is "forty billion, eight hundred seventy-one million, five hundred fifty thousand, eight hundred fifty-two".