1420799982 has 64 divisors (see below), whose sum is σ = 3329164800. Its totient is φ = 404064192.

The previous prime is 1420799981. The next prime is 1420800001. The reversal of 1420799982 is 2899970241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420799981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 478033 + ... + 480995.

It is an arithmetic number, because the mean of its divisors is an integer number (52018200).

Almost surely, 2^1420799982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420799982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1664582400).

1420799982 is an abundant number, since it is smaller than the sum of its proper divisors (1908364818).

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

1420799982 is a wasteful number, since it uses less digits than its factorization.

1420799982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222 (or 3208 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 1420799982 is about 37693.5005272792. The cubic root of 1420799982 is about 1124.2018983367.

The spelling of 1420799982 in words is "one billion, four hundred twenty million, seven hundred ninety-nine thousand, nine hundred eighty-two".