2421805280 has 24 divisors (see below), whose sum is σ = 5721515352. Its totient is φ = 968722048.

The previous prime is 2421805229. The next prime is 2421805297. The reversal of 2421805280 is 825081242.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7567982 + ... + 7568301.

It is an arithmetic number, because the mean of its divisors is an integer number (238396473).

Almost surely, 2^2421805280 is an apocalyptic number.

2421805280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2421805280 is an abundant number, since it is smaller than the sum of its proper divisors (3299710072).

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

2421805280 is a wasteful number, since it uses less digits than its factorization.

2421805280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15136298 (or 15136290 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 2421805280 is about 49211.8408515674. The cubic root of 2421805280 is about 1342.9084521127.

The spelling of 2421805280 in words is "two billion, four hundred twenty-one million, eight hundred five thousand, two hundred eighty".