40305052 has 24 divisors (see below), whose sum is σ = 72287936. Its totient is φ = 19657728.

The previous prime is 40305047. The next prime is 40305059. The reversal of 40305052 is 25050304.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40305059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27613 + ... + 29035.

Almost surely, 2^40305052 is an apocalyptic number.

It is an amenable number.

40305052 is a deficient number, since it is larger than the sum of its proper divisors (31982884).

40305052 is a wasteful number, since it uses less digits than its factorization.

40305052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 40305052 is about 6348.6259930791. The cubic root of 40305052 is about 342.8623745564.

Adding to 40305052 its reverse (25050304), we get a palindrome (65355356).

The spelling of 40305052 in words is "forty million, three hundred five thousand, fifty-two".