3138289680 has 80 divisors (see below), whose sum is σ = 9991664064. Its totient is φ = 814256640.

The previous prime is 3138289669. The next prime is 3138289697. The reversal of 3138289680 is 869828313.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167826 + ... + 185585.

Almost surely, 2^3138289680 is an apocalyptic number.

3138289680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3138289680 is an abundant number, since it is smaller than the sum of its proper divisors (6853374384).

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

3138289680 is a wasteful number, since it uses less digits than its factorization.

3138289680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353464 (or 353458 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 3138289680 is about 56020.4398411865. The cubic root of 3138289680 is about 1464.0784320010.

The spelling of 3138289680 in words is "three billion, one hundred thirty-eight million, two hundred eighty-nine thousand, six hundred eighty".