284221129360 has 80 divisors (see below), whose sum is σ = 755322834816. Its totient is φ = 97433478144.

The previous prime is 284221129349. The next prime is 284221129393. The reversal of 284221129360 is 63921122482.

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4427412 + ... + 4491148.

Almost surely, 2^284221129360 is an apocalyptic number.

284221129360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284221129360 is an abundant number, since it is smaller than the sum of its proper divisors (471101705456).

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

284221129360 is a wasteful number, since it uses less digits than its factorization.

284221129360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71720 (or 71714 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 284221129360 in words is "two hundred eighty-four billion, two hundred twenty-one million, one hundred twenty-nine thousand, three hundred sixty".