280087165028000 has 192 divisors, whose sum is σ = 750959348106240. Its totient is φ = 101819502976000.

The previous prime is 280087165027961. The next prime is 280087165028009. The reversal of 280087165028000 is 820561780082.

It is not an unprimeable number, because it can be changed into a prime (280087165028009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146848454 + ... + 148743546.

It is an arithmetic number, because the mean of its divisors is an integer number (3911246604720).

Almost surely, 2^{280087165028000} is an apocalyptic number.

280087165028000 is a gapful number since it is divisible by the number (20) 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 280087165028000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375479674053120).

280087165028000 is an abundant number, since it is smaller than the sum of its proper divisors (470872183078240).

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

280087165028000 is a wasteful number, since it uses less digits than its factorization.

280087165028000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898488 (or 1898470 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 47.

The spelling of 280087165028000 in words is "two hundred eighty trillion, eighty-seven billion, one hundred sixty-five million, twenty-eight thousand".