1982280350 has 12 divisors (see below), whose sum is σ = 3687041544. Its totient is φ = 792912120.

The previous prime is 1982280347. The next prime is 1982280367. The reversal of 1982280350 is 530822891.

It is a super-2 number, since 2×1982280350² = 7858870771992245000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19822754 + ... + 19822853.

It is an arithmetic number, because the mean of its divisors is an integer number (307253462).

Almost surely, 2^1982280350 is an apocalyptic number.

1982280350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1982280350 is a deficient number, since it is larger than the sum of its proper divisors (1704761194).

1982280350 is a wasteful number, since it uses less digits than its factorization.

1982280350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39645619 (or 39645614 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1982280350 is about 44522.8070768230. The cubic root of 1982280350 is about 1256.1891133251.

The spelling of 1982280350 in words is "one billion, nine hundred eighty-two million, two hundred eighty thousand, three hundred fifty".