1980341804 has 48 divisors (see below), whose sum is σ = 4257899520. Its totient is φ = 786931200.

The previous prime is 1980341771. The next prime is 1980341807. The reversal of 1980341804 is 4081430891.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (1980341807) 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, 14597 + ... + 64604.

It is an arithmetic number, because the mean of its divisors is an integer number (88706240).

Almost surely, 2^1980341804 is an apocalyptic number.

1980341804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1980341804 is an abundant number, since it is smaller than the sum of its proper divisors (2277557716).

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

1980341804 is a wasteful number, since it uses less digits than its factorization.

1980341804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79278 (or 79276 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 1980341804 is about 44501.0314936632. The cubic root of 1980341804 is about 1255.7794883477.

The spelling of 1980341804 in words is "one billion, nine hundred eighty million, three hundred forty-one thousand, eight hundred four".