4540012660 has 24 divisors (see below), whose sum is σ = 9541785960. Its totient is φ = 1814527104.

The previous prime is 4540012649. The next prime is 4540012667. The reversal of 4540012660 is 662100454.

It can be written as a sum of positive squares in 4 ways, for example, as 243734544 + 4296278116 = 15612^2 + 65546^2 .

It is a super-2 number, since 2×4540012660² = 41223429905920551200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540012667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67015 + ... + 116494.

It is an arithmetic number, because the mean of its divisors is an integer number (397574415).

Almost surely, 2^4540012660 is an apocalyptic number.

It is an amenable number.

4540012660 is an abundant number, since it is smaller than the sum of its proper divisors (5001773300).

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

4540012660 is a wasteful number, since it uses less digits than its factorization.

4540012660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184755 (or 184753 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4540012660 is about 67379.6160570836. The cubic root of 4540012660 is about 1655.8424847457.

The spelling of 4540012660 in words is "four billion, five hundred forty million, twelve thousand, six hundred sixty".