19949060250 has 192 divisors, whose sum is σ = 62432547840. Its totient is φ = 4501785600.

The previous prime is 19949060237. The next prime is 19949060269. The reversal of 19949060250 is 5206094991.

19949060250 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 19949060196 and 19949060205.

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 95 ways as a sum of consecutive naturals, for example, 1236234 + ... + 1252266.

It is an arithmetic number, because the mean of its divisors is an integer number (325169520).

Almost surely, 2^19949060250 is an apocalyptic number.

19949060250 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 19949060250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31216273920).

19949060250 is an abundant number, since it is smaller than the sum of its proper divisors (42483487590).

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

19949060250 is a wasteful number, since it uses less digits than its factorization.

19949060250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16142 (or 16129 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 19949060250 in words is "nineteen billion, nine hundred forty-nine million, sixty thousand, two hundred fifty".