63130340 has 48 divisors (see below), whose sum is σ = 163172352. Its totient is φ = 19979136.

The previous prime is 63130339. The next prime is 63130343. The reversal of 63130340 is 4303136.

63130340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (63130343) 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 15 ways as a sum of consecutive naturals, for example, 15524 + ... + 19163.

It is an arithmetic number, because the mean of its divisors is an integer number (3399424).

Almost surely, 2^63130340 is an apocalyptic number.

It is an amenable number.

63130340 is an abundant number, since it is smaller than the sum of its proper divisors (100042012).

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

63130340 is a wasteful number, since it uses less digits than its factorization.

63130340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34716 (or 34714 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 63130340 is about 7945.4603390867. The cubic root of 63130340 is about 398.1799393421.

Adding to 63130340 its reverse (4303136), we get a palindrome (67433476).

The spelling of 63130340 in words is "sixty-three million, one hundred thirty thousand, three hundred forty".