40544152 has 32 divisors (see below), whose sum is σ = 84505680. Its totient is φ = 18079360.

The previous prime is 40544129. The next prime is 40544173. The reversal of 40544152 is 25144504.

It is a happy number.

40544152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40544152² = 3287656522798208, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 318 + ... + 9010.

Almost surely, 2^40544152 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 40544152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42252840).

40544152 is an abundant number, since it is smaller than the sum of its proper divisors (43961528).

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

40544152 is a wasteful number, since it uses less digits than its factorization.

40544152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8763 (or 8759 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 40544152 is about 6367.4289945001. The cubic root of 40544152 is about 343.5390210822.

Adding to 40544152 its reverse (25144504), we get a palindrome (65688656).

The spelling of 40544152 in words is "forty million, five hundred forty-four thousand, one hundred fifty-two".