64087446480 has 80 divisors (see below), whose sum is σ = 198750862464. Its totient is φ = 17083123200.

The previous prime is 64087446427. The next prime is 64087446487. The reversal of 64087446480 is 8464478046.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64087446487) 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, 559902 + ... + 664578.

Almost surely, 2^64087446480 is an apocalyptic number.

64087446480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64087446480 is an abundant number, since it is smaller than the sum of its proper divisors (134663415984).

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

64087446480 is a wasteful number, since it uses less digits than its factorization.

64087446480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107244 (or 107238 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 51.

The spelling of 64087446480 in words is "sixty-four billion, eighty-seven million, four hundred forty-six thousand, four hundred eighty".