63980460 has 72 divisors (see below), whose sum is σ = 197289456. Its totient is φ = 16778880.

The previous prime is 63980453. The next prime is 63980471. The reversal of 63980460 is 6408936.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8067 + ... + 13893.

Almost surely, 2^63980460 is an apocalyptic number.

63980460 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63980460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98644728).

63980460 is an abundant number, since it is smaller than the sum of its proper divisors (133308996).

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

63980460 is a wasteful number, since it uses less digits than its factorization.

63980460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5903 (or 5898 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 63980460 is about 7998.7786567700. The cubic root of 63980460 is about 399.9592875230.

The spelling of 63980460 in words is "sixty-three million, nine hundred eighty thousand, four hundred sixty".