1308940832808 has 320 divisors, whose sum is σ = 4212838143360. Its totient is φ = 371950216704.

The previous prime is 1308940832783. The next prime is 1308940832827. The reversal of 1308940832808 is 8082380498031.

It is a happy number.

1308940832808 is a `hidden beast` number, since 1 + 308 + 9 + 4 + 0 + 8 + 328 + 0 + 8 = 666.

It is a super-2 number, since 2×1308940832808² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1165574535 + ... + 1165575657.

It is an arithmetic number, because the mean of its divisors is an integer number (13165119198).

Almost surely, 2^{1308940832808} is an apocalyptic number.

1308940832808 is a gapful number since it is divisible by the number (18) 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 1308940832808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2106419071680).

1308940832808 is an abundant number, since it is smaller than the sum of its proper divisors (2903897310552).

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

1308940832808 is a wasteful number, since it uses less digits than its factorization.

1308940832808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318 (or 2305 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 1308940832808 in words is "one trillion, three hundred eight billion, nine hundred forty million, eight hundred thirty-two thousand, eight hundred eight".