40452152 has 16 divisors (see below), whose sum is σ = 81682440. Its totient is φ = 18670176.

The previous prime is 40452151. The next prime is 40452161. The reversal of 40452152 is 25125404.

It is a happy number.

It is a super-2 number, since 2×40452152² = 3272753202862208, which contains 22 as substring.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40452151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194378 + ... + 194585.

Almost surely, 2^40452152 is an apocalyptic number.

It is an amenable number.

40452152 is an abundant number, since it is smaller than the sum of its proper divisors (41230288).

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

40452152 is a wasteful number, since it uses less digits than its factorization.

40452152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388982 (or 388978 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 40452152 is about 6360.2006257665. The cubic root of 40452152 is about 343.2789792570.

Adding to 40452152 its reverse (25125404), we get a palindrome (65577556).

It can be divided in two parts, 40452 and 152, that added together give a palindrome (40604).

The spelling of 40452152 in words is "forty million, four hundred fifty-two thousand, one hundred fifty-two".