2821461999360 has 144 divisors (see below), whose sum is σ = 9019227377664. Its totient is φ = 751706607616.

The previous prime is 2821461999331. The next prime is 2821461999361. The reversal of 2821461999360 is 639991641282.

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

It is a junction number, because it is equal to n+sod(n) for n = 2821461999294 and 2821461999303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2821461999361) 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, 3902449 + ... + 4568591.

It is an arithmetic number, because the mean of its divisors is an integer number (62633523456).

Almost surely, 2^{2821461999360} is an apocalyptic number.

2821461999360 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 2821461999360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4509613688832).

2821461999360 is an abundant number, since it is smaller than the sum of its proper divisors (6197765378304).

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

2821461999360 is a wasteful number, since it uses less digits than its factorization.

2821461999360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667270 (or 667256 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 2821461999360 in words is "two trillion, eight hundred twenty-one billion, four hundred sixty-one million, nine hundred ninety-nine thousand, three hundred sixty".