63430540 has 24 divisors (see below), whose sum is σ = 137798640. Its totient is φ = 24497088.

The previous prime is 63430529. The next prime is 63430541. The reversal of 63430540 is 4503436.

It is not an unprimeable number, because it can be changed into a prime (63430541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54102 + ... + 55261.

It is an arithmetic number, because the mean of its divisors is an integer number (5741610).

Almost surely, 2^63430540 is an apocalyptic number.

It is an amenable number.

63430540 is an abundant number, since it is smaller than the sum of its proper divisors (74368100).

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

63430540 is a wasteful number, since it uses less digits than its factorization.

63430540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109401 (or 109399 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 63430540 is about 7964.3292247370. The cubic root of 63430540 is about 398.8100887882.

Adding to 63430540 its reverse (4503436), we get a palindrome (67933976).

The spelling of 63430540 in words is "sixty-three million, four hundred thirty thousand, five hundred forty".