1286237586480 has 320 divisors, whose sum is σ = 4972649730048. Its totient is φ = 267193543680.

The previous prime is 1286237586419. The next prime is 1286237586497. The reversal of 1286237586480 is 846857326821.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83281639 + ... + 83297081.

Almost surely, 2^{1286237586480} is an apocalyptic number.

1286237586480 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 1286237586480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2486324865024).

1286237586480 is an abundant number, since it is smaller than the sum of its proper divisors (3686412143568).

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

1286237586480 is a wasteful number, since it uses less digits than its factorization.

1286237586480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19984 (or 19978 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 60.

The spelling of 1286237586480 in words is "one trillion, two hundred eighty-six billion, two hundred thirty-seven million, five hundred eighty-six thousand, four hundred eighty".