2447820000 has 300 divisors, whose sum is σ = 9001787256. Its totient is φ = 652320000.

The previous prime is 2447819993. The next prime is 2447820043. The reversal of 2447820000 is 287442.

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 49 ways as a sum of consecutive naturals, for example, 1619245 + ... + 1620755.

Almost surely, 2^2447820000 is an apocalyptic number.

2447820000 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 2447820000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4500893628).

2447820000 is an abundant number, since it is smaller than the sum of its proper divisors (6553967256).

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

2447820000 is an equidigital number, since it uses as much as digits as its factorization.

2447820000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1521 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 2447820000 is about 49475.4484567851. The cubic root of 2447820000 is about 1347.6997866842.

The spelling of 2447820000 in words is "two billion, four hundred forty-seven million, eight hundred twenty thousand".