63466555240 has 32 divisors (see below), whose sum is σ = 155781545760. Its totient is φ = 23078747200.

The previous prime is 63466555193. The next prime is 63466555241. The reversal of 63466555240 is 4255566436.

It is not an unprimeable number, because it can be changed into a prime (63466555241) 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, 72120646 + ... + 72121525.

It is an arithmetic number, because the mean of its divisors is an integer number (4868173305).

Almost surely, 2^63466555240 is an apocalyptic number.

It is an amenable number.

63466555240 is an abundant number, since it is smaller than the sum of its proper divisors (92314990520).

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

63466555240 is a wasteful number, since it uses less digits than its factorization.

63466555240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144242193 (or 144242189 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 63466555240 in words is "sixty-three billion, four hundred sixty-six million, five hundred fifty-five thousand, two hundred forty".