3081507473808 has 120 divisors (see below), whose sum is σ = 8703001588320. Its totient is φ = 1017793405440.

The previous prime is 3081507473773. The next prime is 3081507473843. The reversal of 3081507473808 is 8083747051803.

It is an interprime number because it is at equal distance from previous prime (3081507473773) and next prime (3081507473843).

It is a super-2 number, since 2×3081507473808² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7030335 + ... + 7455777.

It is an arithmetic number, because the mean of its divisors is an integer number (72525013236).

Almost surely, 2^{3081507473808} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3081507473808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4351500794160).

3081507473808 is an abundant number, since it is smaller than the sum of its proper divisors (5621494114512).

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

3081507473808 is a wasteful number, since it uses less digits than its factorization.

3081507473808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425917 (or 425908 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 3081507473808 in words is "three trillion, eighty-one billion, five hundred seven million, four hundred seventy-three thousand, eight hundred eight".