3215260540 has 24 divisors (see below), whose sum is σ = 6753816720. Its totient is φ = 1285767168.

The previous prime is 3215260481. The next prime is 3215260567. The reversal of 3215260540 is 450625123.

It is a junction number, because it is equal to n+sod(n) for n = 3215260499 and 3215260508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65916 + ... + 103804.

It is an arithmetic number, because the mean of its divisors is an integer number (281409030).

Almost surely, 2^3215260540 is an apocalyptic number.

It is an amenable number.

3215260540 is an abundant number, since it is smaller than the sum of its proper divisors (3538556180).

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

3215260540 is a wasteful number, since it uses less digits than its factorization.

3215260540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42141 (or 42139 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3215260540 is about 56703.2674543540. The cubic root of 3215260540 is about 1475.9513984579.

Adding to 3215260540 its reverse (450625123), we get a palindrome (3665885663).

The spelling of 3215260540 in words is "three billion, two hundred fifteen million, two hundred sixty thousand, five hundred forty".