1788198048 has 432 divisors, whose sum is σ = 6558185088. Its totient is φ = 449971200.

The previous prime is 1788198047. The next prime is 1788198059. The reversal of 1788198048 is 8408918871.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1788197985 and 1788198003.

It is not an unprimeable number, because it can be changed into a prime (1788198047) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 25185853 + ... + 25185923.

It is an arithmetic number, because the mean of its divisors is an integer number (15180984).

Almost surely, 2^1788198048 is an apocalyptic number.

1788198048 is a gapful number since it is divisible by the number (18) 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 1788198048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3279092544).

1788198048 is an abundant number, since it is smaller than the sum of its proper divisors (4769987040).

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

1788198048 is a wasteful number, since it uses less digits than its factorization.

1788198048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 54.

The square root of 1788198048 is about 42287.0907961283. The cubic root of 1788198048 is about 1213.7759801306.

The spelling of 1788198048 in words is "one billion, seven hundred eighty-eight million, one hundred ninety-eight thousand, forty-eight".