12578006480 has 80 divisors (see below), whose sum is σ = 31963620864. Its totient is φ = 4574845440.

The previous prime is 12578006449. The next prime is 12578006489. The reversal of 12578006480 is 8460087521.

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 (12578006489) 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, 20576 + ... + 159935.

Almost surely, 2^12578006480 is an apocalyptic number.

12578006480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12578006480 is an abundant number, since it is smaller than the sum of its proper divisors (19385614384).

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

12578006480 is a wasteful number, since it uses less digits than its factorization.

12578006480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180604 (or 180598 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 12578006480 in words is "twelve billion, five hundred seventy-eight million, six thousand, four hundred eighty".