1798119648 has 480 divisors, whose sum is σ = 6254762976. Its totient is φ = 501645312.

The previous prime is 1798119637. The next prime is 1798119677. The reversal of 1798119648 is 8469118971.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (870912) is a multiple of the sum of its prime factors (168).

It is a junction number, because it is equal to n+sod(n) for n = 1798119594 and 1798119603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 24631740 + ... + 24631812.

Almost surely, 2^1798119648 is an apocalyptic number.

1798119648 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 1798119648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3127381488).

1798119648 is an abundant number, since it is smaller than the sum of its proper divisors (4456643328).

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

1798119648 is a wasteful number, since it uses less digits than its factorization.

1798119648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 151 counting only the distinct ones).

The product of its digits is 870912, while the sum is 54.

The square root of 1798119648 is about 42404.2409199835. The cubic root of 1798119648 is about 1216.0166707664.

The spelling of 1798119648 in words is "one billion, seven hundred ninety-eight million, one hundred nineteen thousand, six hundred forty-eight".