64540352 has 28 divisors (see below), whose sum is σ = 128747520. Its totient is φ = 32100096.

The previous prime is 64540351. The next prime is 64540373. The reversal of 64540352 is 25304546.

64540352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64540351) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10049 + ... + 15167.

Almost surely, 2^64540352 is an apocalyptic number.

It is an amenable number.

64540352 is a deficient number, since it is larger than the sum of its proper divisors (64207168).

64540352 is a wasteful number, since it uses less digits than its factorization.

64540352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5328 (or 5318 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 64540352 is about 8033.7010150988. The cubic root of 64540352 is about 401.1225799219.

Adding to 64540352 its reverse (25304546), we get a palindrome (89844898).

The spelling of 64540352 in words is "sixty-four million, five hundred forty thousand, three hundred fifty-two".