40500052 has 24 divisors (see below), whose sum is σ = 77077224. Its totient is φ = 18542592.

The previous prime is 40500049. The next prime is 40500059. The reversal of 40500052 is 25000504.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21104836 + 19395216 = 4594^2 + 4404^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40499999 and 40500035.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40500059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5533 + ... + 10564.

It is an arithmetic number, because the mean of its divisors is an integer number (3211551).

Almost surely, 2^40500052 is an apocalyptic number.

It is an amenable number.

40500052 is a deficient number, since it is larger than the sum of its proper divisors (36577172).

40500052 is a wasteful number, since it uses less digits than its factorization.

40500052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16155 (or 16153 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 40500052 is about 6363.9651161835. The cubic root of 40500052 is about 343.4144197416.

Adding to 40500052 its reverse (25000504), we get a palindrome (65500556).

The spelling of 40500052 in words is "forty million, five hundred thousand, fifty-two".