2447181960 has 256 divisors, whose sum is σ = 8001504000. Its totient is φ = 596508672.

The previous prime is 2447181959. The next prime is 2447182021. The reversal of 2447181960 is 691817442.

It is a Cunningham number, because it is equal to 49469²-1.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16423966 + ... + 16424114.

It is an arithmetic number, because the mean of its divisors is an integer number (31255875).

Almost surely, 2^2447181960 is an apocalyptic number.

2447181960 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 2447181960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4000752000).

2447181960 is an abundant number, since it is smaller than the sum of its proper divisors (5554322040).

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

2447181960 is a wasteful number, since it uses less digits than its factorization.

2447181960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 2447181960 is about 49468.9999898927. Note that the first 4 decimals coincide. The cubic root of 2447181960 is about 1347.5826809746.

The spelling of 2447181960 in words is "two billion, four hundred forty-seven million, one hundred eighty-one thousand, nine hundred sixty".