1982256498 has 96 divisors (see below), whose sum is σ = 4570255872. Its totient is φ = 620006400.

The previous prime is 1982256481. The next prime is 1982256503. The reversal of 1982256498 is 8946522891.

It is a happy number.

It is a Curzon 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 47 ways as a sum of consecutive naturals, for example, 2868333 + ... + 2869023.

It is an arithmetic number, because the mean of its divisors is an integer number (47606832).

Almost surely, 2^1982256498 is an apocalyptic number.

1982256498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1982256498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2285127936).

1982256498 is an abundant number, since it is smaller than the sum of its proper divisors (2587999374).

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

1982256498 is a wasteful number, since it uses less digits than its factorization.

1982256498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 877 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 1982256498 is about 44522.5392133018. The cubic root of 1982256498 is about 1256.1840748950.

The spelling of 1982256498 in words is "one billion, nine hundred eighty-two million, two hundred fifty-six thousand, four hundred ninety-eight".