40643052 has 24 divisors (see below), whose sum is σ = 99825600. Its totient is φ = 12834576.

The previous prime is 40643017. The next prime is 40643087. The reversal of 40643052 is 25034604.

40643052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40643017) and next prime (40643087).

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, 88902 + ... + 89357.

It is an arithmetic number, because the mean of its divisors is an integer number (4159400).

Almost surely, 2^40643052 is an apocalyptic number.

It is an amenable number.

40643052 is an abundant number, since it is smaller than the sum of its proper divisors (59182548).

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

40643052 is a wasteful number, since it uses less digits than its factorization.

40643052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178285 (or 178283 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 40643052 is about 6375.1903500994. The cubic root of 40643052 is about 343.8181276760.

Adding to 40643052 its reverse (25034604), we get a palindrome (65677656).

The spelling of 40643052 in words is "forty million, six hundred forty-three thousand, fifty-two".