19648280190 has 384 divisors, whose sum is σ = 65054638080. Its totient is φ = 3741292800.

The previous prime is 19648280147. The next prime is 19648280233. The reversal of 19648280190 is 9108284691.

19648280190 = T₁₀₅₆₄ + T₁₀₅₆₅ + ... + T₁₀₉₀₄.

It is an interprime number because it is at equal distance from previous prime (19648280147) and next prime (19648280233).

It is a super-2 number, since 2×19648280190² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9523099 + ... + 9525161.

It is an arithmetic number, because the mean of its divisors is an integer number (169413120).

Almost surely, 2^19648280190 is an apocalyptic number.

19648280190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19648280190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32527319040).

19648280190 is an abundant number, since it is smaller than the sum of its proper divisors (45406357890).

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

19648280190 is a wasteful number, since it uses less digits than its factorization.

19648280190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 48.

It can be divided in two parts, 196482 and 80190, that added together give a palindrome (276672).

The spelling of 19648280190 in words is "nineteen billion, six hundred forty-eight million, two hundred eighty thousand, one hundred ninety".