1079819980 has 12 divisors (see below), whose sum is σ = 2267622000. Its totient is φ = 431927984.

The previous prime is 1079819963. The next prime is 1079819981. The reversal of 1079819980 is 899189701.

It is a super-2 number, since 2×1079819980² = 2332022378414400800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1079819981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26995480 + ... + 26995519.

It is an arithmetic number, because the mean of its divisors is an integer number (188968500).

Almost surely, 2^1079819980 is an apocalyptic number.

1079819980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1079819980 is an abundant number, since it is smaller than the sum of its proper divisors (1187802020).

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

1079819980 is a wasteful number, since it uses less digits than its factorization.

1079819980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53991008 (or 53991006 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 52.

The square root of 1079819980 is about 32860.6144190884. The cubic root of 1079819980 is about 1025.9285593069.

The spelling of 1079819980 in words is "one billion, seventy-nine million, eight hundred nineteen thousand, nine hundred eighty".