2199451488 has 192 divisors, whose sum is σ = 6480230400. Its totient is φ = 648622080.

The previous prime is 2199451481. The next prime is 2199451493. The reversal of 2199451488 is 8841549912.

It is a self number, because there is not a number n which added to its sum of digits gives 2199451488.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199451481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5377428 + ... + 5377836.

It is an arithmetic number, because the mean of its divisors is an integer number (33751200).

Almost surely, 2^2199451488 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 2199451488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3240115200).

2199451488 is an abundant number, since it is smaller than the sum of its proper divisors (4280778912).

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

2199451488 is a wasteful number, since it uses less digits than its factorization.

2199451488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 597 counting only the distinct ones).

The product of its digits is 829440, while the sum is 51.

The square root of 2199451488 is about 46898.3100761637. The cubic root of 2199451488 is about 1300.4833484707.

The spelling of 2199451488 in words is "two billion, one hundred ninety-nine million, four hundred fifty-one thousand, four hundred eighty-eight".