1296387060480 has 432 divisors, whose sum is σ = 4726875011040. Its totient is φ = 327131136000.

The previous prime is 1296387060413. The next prime is 1296387060503. The reversal of 1296387060480 is 840607836921.

1296387060480 is a `hidden beast` number, since 1 + 2 + 9 + 6 + 38 + 70 + 60 + 480 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223473580 + ... + 223479380.

Almost surely, 2^{1296387060480} is an apocalyptic number.

1296387060480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1296387060480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2363437505520).

1296387060480 is an abundant number, since it is smaller than the sum of its proper divisors (3430487950560).

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

1296387060480 is a wasteful number, since it uses less digits than its factorization.

1296387060480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6868 (or 6851 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 1296387060480 in words is "one trillion, two hundred ninety-six billion, three hundred eighty-seven million, sixty thousand, four hundred eighty".