2179399248 has 240 divisors, whose sum is σ = 6759567360. Its totient is φ = 651442176.

The previous prime is 2179399217. The next prime is 2179399267. The reversal of 2179399248 is 8429939712.

2179399248 is a `hidden beast` number, since 2 + 1 + 7 + 9 + 399 + 248 = 666.

2179399248 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2179399194 and 2179399203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17160561 + ... + 17160687.

It is an arithmetic number, because the mean of its divisors is an integer number (28164864).

Almost surely, 2^2179399248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2179399248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3379783680).

2179399248 is an abundant number, since it is smaller than the sum of its proper divisors (4580168112).

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

2179399248 is a wasteful number, since it uses less digits than its factorization.

2179399248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 337 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 2179399248 is about 46684.0363293492. The cubic root of 2179399248 is about 1296.5191392998.

The spelling of 2179399248 in words is "two billion, one hundred seventy-nine million, three hundred ninety-nine thousand, two hundred forty-eight".