3261440460 has 48 divisors (see below), whose sum is σ = 9141414912. Its totient is φ = 868824000.

The previous prime is 3261440453. The next prime is 3261440471. The reversal of 3261440460 is 640441623.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32035 + ... + 86885.

It is an arithmetic number, because the mean of its divisors is an integer number (190446144).

Almost surely, 2^3261440460 is an apocalyptic number.

3261440460 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3261440460 is an abundant number, since it is smaller than the sum of its proper divisors (5879974452).

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

3261440460 is a wasteful number, since it uses less digits than its factorization.

3261440460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55854 (or 55852 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 3261440460 is about 57109.0225796240. The cubic root of 3261440460 is about 1482.9840663461.

The spelling of 3261440460 in words is "three billion, two hundred sixty-one million, four hundred forty thousand, four hundred sixty".