2801825280 has 120 divisors (see below), whose sum is σ = 9703588752. Its totient is φ = 747147264.

The previous prime is 2801825263. The next prime is 2801825311. The reversal of 2801825280 is 825281082.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37764 + ... + 83843.

Almost surely, 2^2801825280 is an apocalyptic number.

2801825280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2801825280 is an abundant number, since it is smaller than the sum of its proper divisors (6901763472).

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

2801825280 is a wasteful number, since it uses less digits than its factorization.

2801825280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121636 (or 121617 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 2801825280 is about 52932.2706862269. The cubic root of 2801825280 is about 1409.7659487775.

The spelling of 2801825280 in words is "two billion, eight hundred one million, eight hundred twenty-five thousand, two hundred eighty".