1919360088 has 96 divisors (see below), whose sum is σ = 5488204800. Its totient is φ = 604304064.

The previous prime is 1919360077. The next prime is 1919360117. The reversal of 1919360088 is 8800639191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 500145 + ... + 503967.

It is an arithmetic number, because the mean of its divisors is an integer number (57168800).

Almost surely, 2^1919360088 is an apocalyptic number.

1919360088 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 1919360088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2744102400).

1919360088 is an abundant number, since it is smaller than the sum of its proper divisors (3568844712).

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

1919360088 is a wasteful number, since it uses less digits than its factorization.

1919360088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221 (or 4214 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 1919360088 is about 43810.5020286232. The cubic root of 1919360088 is about 1242.7549068047.

The spelling of 1919360088 in words is "one billion, nine hundred nineteen million, three hundred sixty thousand, eighty-eight".