3012536540 has 72 divisors (see below), whose sum is σ = 6866426448. Its totient is φ = 1109721600.

The previous prime is 3012536539. The next prime is 3012536551. The reversal of 3012536540 is 456352103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2030639 + ... + 2032121.

It is an arithmetic number, because the mean of its divisors is an integer number (95367034).

Almost surely, 2^3012536540 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 3012536540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3433213224).

3012536540 is an abundant number, since it is smaller than the sum of its proper divisors (3853889908).

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

3012536540 is a wasteful number, since it uses less digits than its factorization.

3012536540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 3012536540 is about 54886.5788695196. The cubic root of 3012536540 is about 1444.2557583162.

Adding to 3012536540 its reverse (456352103), we get a palindrome (3468888643).

The spelling of 3012536540 in words is "three billion, twelve million, five hundred thirty-six thousand, five hundred forty".