63654105480 has 64 divisors (see below), whose sum is σ = 218242650240. Its totient is φ = 14549509632.

The previous prime is 63654105461. The next prime is 63654105481. The reversal of 63654105480 is 8450145636.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (63654105481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37888509 + ... + 37890188.

It is an arithmetic number, because the mean of its divisors is an integer number (3410041410).

Almost surely, 2^63654105480 is an apocalyptic number.

63654105480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63654105480 is an abundant number, since it is smaller than the sum of its proper divisors (154588544760).

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

63654105480 is a wasteful number, since it uses less digits than its factorization.

63654105480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75778718 (or 75778714 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 63654105480 in words is "sixty-three billion, six hundred fifty-four million, one hundred five thousand, four hundred eighty".