40571832 has 128 divisors (see below), whose sum is σ = 122135040. Its totient is φ = 10990080.

The previous prime is 40571831. The next prime is 40571849. The reversal of 40571832 is 23817504.

40571832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40571832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40571831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379123 + ... + 379229.

It is an arithmetic number, because the mean of its divisors is an integer number (954180).

Almost surely, 2^40571832 is an apocalyptic number.

40571832 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40571832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61067520).

40571832 is an abundant number, since it is smaller than the sum of its proper divisors (81563208).

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

40571832 is a wasteful number, since it uses less digits than its factorization.

40571832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 40571832 is about 6369.6021853802. The cubic root of 40571832 is about 343.6171827607.

The spelling of 40571832 in words is "forty million, five hundred seventy-one thousand, eight hundred thirty-two".