2842721280 has 396 divisors, whose sum is σ = 11467212120. Its totient is φ = 649248768.

The previous prime is 2842721263. The next prime is 2842721281. The reversal of 2842721280 is 821272482.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2842721281) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2257291 + ... + 2258549.

Almost surely, 2^2842721280 is an apocalyptic number.

2842721280 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 2842721280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5733606060).

2842721280 is an abundant number, since it is smaller than the sum of its proper divisors (8624490840).

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

2842721280 is a wasteful number, since it uses less digits than its factorization.

2842721280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 2842721280 is about 53317.1762193010. The cubic root of 2842721280 is about 1416.5919195318.

The spelling of 2842721280 in words is "two billion, eight hundred forty-two million, seven hundred twenty-one thousand, two hundred eighty".