3056660640 has 144 divisors (see below), whose sum is σ = 11379172896. Its totient is φ = 741004800.

The previous prime is 3056660623. The next prime is 3056660683. The reversal of 3056660640 is 460666503.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3056660595 and 3056660604.

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 23 ways as a sum of consecutive naturals, for example, 80646 + ... + 112325.

It is an arithmetic number, because the mean of its divisors is an integer number (79022034).

Almost surely, 2^3056660640 is an apocalyptic number.

3056660640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3056660640 is an abundant number, since it is smaller than the sum of its proper divisors (8322512256).

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

3056660640 is a wasteful number, since it uses less digits than its factorization.

3056660640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193003 (or 192992 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 3056660640 is about 55287.0748005354. The cubic root of 3056660640 is about 1451.2728640732.

The spelling of 3056660640 in words is "three billion, fifty-six million, six hundred sixty thousand, six hundred forty".