1982280250 has 32 divisors (see below), whose sum is σ = 3722683536. Its totient is φ = 790379200.

The previous prime is 1982280247. The next prime is 1982280253. The reversal of 1982280250 is 520822891.

It is an interprime number because it is at equal distance from previous prime (1982280247) and next prime (1982280253).

It can be written as a sum of positive squares in 8 ways, for example, as 126135361 + 1856144889 = 11231^2 + 43083^2 .

It is not an unprimeable number, because it can be changed into a prime (1982280253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66744 + ... + 91756.

Almost surely, 2^1982280250 is an apocalyptic number.

1982280250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1982280250 is a deficient number, since it is larger than the sum of its proper divisors (1740403286).

1982280250 is a wasteful number, since it uses less digits than its factorization.

1982280250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25347 (or 25337 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 1982280250 is about 44522.8059538030. The cubic root of 1982280250 is about 1256.1890922014.

The spelling of 1982280250 in words is "one billion, nine hundred eighty-two million, two hundred eighty thousand, two hundred fifty".