1337335481808 has 120 divisors (see below), whose sum is σ = 3759174147456. Its totient is φ = 443815680000.

The previous prime is 1337335481789. The next prime is 1337335481857. The reversal of 1337335481808 is 8081845337331.

It is a happy number.

1337335481808 is a `hidden beast` number, since 13 + 3 + 7 + 3 + 3 + 548 + 1 + 80 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105787168 + ... + 105799808.

Almost surely, 2^{1337335481808} is an apocalyptic number.

1337335481808 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 1337335481808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1879587073728).

1337335481808 is an abundant number, since it is smaller than the sum of its proper divisors (2421838665648).

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

1337335481808 is a wasteful number, since it uses less digits than its factorization.

1337335481808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15833 (or 15824 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 1337335481808 in words is "one trillion, three hundred thirty-seven billion, three hundred thirty-five million, four hundred eighty-one thousand, eight hundred eight".