19099590048 has 840 divisors, whose sum is σ = 74063638656. Its totient is φ = 4800902400.

The previous prime is 19099589989. The next prime is 19099590067. The reversal of 19099590048 is 84009599091.

19099590048 is a `hidden beast` number, since 1 + 9 + 0 + 9 + 9 + 590 + 0 + 48 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 19099589976 and 19099590003.

It is an unprimeable number.

It is a polite number, since it can be written in 139 ways as a sum of consecutive naturals, for example, 616115793 + ... + 616115823.

Almost surely, 2^19099590048 is an apocalyptic number.

19099590048 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 19099590048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37031819328).

19099590048 is an abundant number, since it is smaller than the sum of its proper divisors (54964048608).

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

19099590048 is an frugal number, since it uses more digits than its factorization.

19099590048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 54 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 54.

The spelling of 19099590048 in words is "nineteen billion, ninety-nine million, five hundred ninety thousand, forty-eight".