1420799980 has 48 divisors (see below), whose sum is σ = 3058159104. Its totient is φ = 554178240.

The previous prime is 1420799977. The next prime is 1420799981. The reversal of 1420799980 is 899970241.

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 15 ways as a sum of consecutive naturals, for example, 758445 + ... + 760315.

It is an arithmetic number, because the mean of its divisors is an integer number (63711648).

Almost surely, 2^1420799980 is an apocalyptic number.

1420799980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420799980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1529079552).

1420799980 is an abundant number, since it is smaller than the sum of its proper divisors (1637359124).

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

1420799980 is a wasteful number, since it uses less digits than its factorization.

1420799980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806 (or 2804 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 1420799980 is about 37693.5005007495. The cubic root of 1420799980 is about 1124.2018978092.

The spelling of 1420799980 in words is "one billion, four hundred twenty million, seven hundred ninety-nine thousand, nine hundred eighty".