1308980680 has 64 divisors (see below), whose sum is σ = 3543120000. Its totient is φ = 425170944.

The previous prime is 1308980657. The next prime is 1308980681. The reversal of 1308980680 is 860898031.

It is a happy number.

It is a super-2 number, since 2×1308980680² = 3426860841226524800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1308980681) 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, 117705 + ... + 128344.

It is an arithmetic number, because the mean of its divisors is an integer number (55361250).

Almost surely, 2^1308980680 is an apocalyptic number.

1308980680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1308980680 is an abundant number, since it is smaller than the sum of its proper divisors (2234139320).

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

1308980680 is a wasteful number, since it uses less digits than its factorization.

1308980680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246086 (or 246082 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 1308980680 is about 36179.8380316994. The cubic root of 1308980680 is about 1093.9003103139.

The spelling of 1308980680 in words is "one billion, three hundred eight million, nine hundred eighty thousand, six hundred eighty".