63480140 has 48 divisors (see below), whose sum is σ = 141976800. Its totient is φ = 23772672.

The previous prime is 63480133. The next prime is 63480191. The reversal of 63480140 is 4108436.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32882 + ... + 34758.

It is an arithmetic number, because the mean of its divisors is an integer number (2957850).

Almost surely, 2^63480140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63480140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70988400).

63480140 is an abundant number, since it is smaller than the sum of its proper divisors (78496660).

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

63480140 is a wasteful number, since it uses less digits than its factorization.

63480140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994 (or 1992 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 63480140 is about 7967.4425005770. The cubic root of 63480140 is about 398.9140125799.

Adding to 63480140 its reverse (4108436), we get a palindrome (67588576).

The spelling of 63480140 in words is "sixty-three million, four hundred eighty thousand, one hundred forty".