40852188 has 144 divisors (see below), whose sum is σ = 119429856. Its totient is φ = 12130560.

The previous prime is 40852171. The next prime is 40852267. The reversal of 40852188 is 88125804.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 669678 + ... + 669738.

It is an arithmetic number, because the mean of its divisors is an integer number (829374).

Almost surely, 2^40852188 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 40852188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59714928).

40852188 is an abundant number, since it is smaller than the sum of its proper divisors (78577668).

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

40852188 is a wasteful number, since it uses less digits than its factorization.

40852188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 40852188 is about 6391.5716377117. The cubic root of 40852188 is about 344.4068446721.

The spelling of 40852188 in words is "forty million, eight hundred fifty-two thousand, one hundred eighty-eight".