3215111460 has 96 divisors (see below), whose sum is σ = 9959169024. Its totient is φ = 768432000.

The previous prime is 3215111447. The next prime is 3215111483. The reversal of 3215111460 is 641115123.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3215111460.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12555 + ... + 81165.

It is an arithmetic number, because the mean of its divisors is an integer number (103741344).

Almost surely, 2^3215111460 is an apocalyptic number.

3215111460 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 3215111460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4979584512).

3215111460 is an abundant number, since it is smaller than the sum of its proper divisors (6744057564).

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

3215111460 is a wasteful number, since it uses less digits than its factorization.

3215111460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68705 (or 68703 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 3215111460 is about 56701.9528764222. The cubic root of 3215111460 is about 1475.9285865963.

Adding to 3215111460 its reverse (641115123), we get a palindrome (3856226583).

The spelling of 3215111460 in words is "three billion, two hundred fifteen million, one hundred eleven thousand, four hundred sixty".