1949456850 has 192 divisors, whose sum is σ = 5515361280. Its totient is φ = 451360000.

The previous prime is 1949456843. The next prime is 1949456923. The reversal of 1949456850 is 586549491.

It is a junction number, because it is equal to n+sod(n) for n = 1949456793 and 1949456802.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6268195 + ... + 6268505.

It is an arithmetic number, because the mean of its divisors is an integer number (28725840).

Almost surely, 2^1949456850 is an apocalyptic number.

1949456850 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 1949456850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2757680640).

1949456850 is an abundant number, since it is smaller than the sum of its proper divisors (3565904430).

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

1949456850 is a wasteful number, since it uses less digits than its factorization.

1949456850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The square root of 1949456850 is about 44152.6539406183. The cubic root of 1949456850 is about 1249.2169709281.

The spelling of 1949456850 in words is "one billion, nine hundred forty-nine million, four hundred fifty-six thousand, eight hundred fifty".