1982257210 has 16 divisors (see below), whose sum is σ = 3586747392. Its totient is φ = 788750800.

The previous prime is 1982257169. The next prime is 1982257223. The reversal of 1982257210 is 127522891.

It is a self number, because there is not a number n which added to its sum of digits gives 1982257210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517006 + ... + 520825.

It is an arithmetic number, because the mean of its divisors is an integer number (224171712).

Almost surely, 2^1982257210 is an apocalyptic number.

1982257210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1982257210 is a deficient number, since it is larger than the sum of its proper divisors (1604490182).

1982257210 is a wasteful number, since it uses less digits than its factorization.

1982257210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038029.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1982257210 is about 44522.5472092512. The cubic root of 1982257210 is about 1256.1842252964.

The spelling of 1982257210 in words is "one billion, nine hundred eighty-two million, two hundred fifty-seven thousand, two hundred ten".