3056545920 has 128 divisors (see below), whose sum is σ = 9787055040. Its totient is φ = 811372544.

The previous prime is 3056545907. The next prime is 3056545937. The reversal of 3056545920 is 295456503.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×3056545920² = 18684945922137292800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432334 + ... + 439346.

Almost surely, 2^3056545920 is an apocalyptic number.

3056545920 is a gapful number since it is divisible by the number (30) 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 3056545920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4893527520).

3056545920 is an abundant number, since it is smaller than the sum of its proper divisors (6730509120).

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

3056545920 is a wasteful number, since it uses less digits than its factorization.

3056545920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7262 (or 7250 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 3056545920 is about 55286.0372969523. The cubic root of 3056545920 is about 1451.2547078645.

The spelling of 3056545920 in words is "three billion, fifty-six million, five hundred forty-five thousand, nine hundred twenty".