63466540 has 24 divisors (see below), whose sum is σ = 134578080. Its totient is φ = 25139328.

The previous prime is 63466519. The next prime is 63466549. The reversal of 63466540 is 4566436.

It is a junction number, because it is equal to n+sod(n) for n = 63466496 and 63466505.

It is not an unprimeable number, because it can be changed into a prime (63466549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13345 + ... + 17464.

It is an arithmetic number, because the mean of its divisors is an integer number (5607420).

Almost surely, 2^63466540 is an apocalyptic number.

It is an amenable number.

63466540 is an abundant number, since it is smaller than the sum of its proper divisors (71111540).

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

63466540 is a wasteful number, since it uses less digits than its factorization.

63466540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30921 (or 30919 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 63466540 is about 7966.5889814901. The cubic root of 63466540 is about 398.8855227349.

The spelling of 63466540 in words is "sixty-three million, four hundred sixty-six thousand, five hundred forty".