3261863080 has 32 divisors (see below), whose sum is σ = 8387648640. Its totient is φ = 1118352960.

The previous prime is 3261863071. The next prime is 3261863089. The reversal of 3261863080 is 803681623.

It is an interprime number because it is at equal distance from previous prime (3261863071) and next prime (3261863089).

It is not an unprimeable number, because it can be changed into a prime (3261863089) 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, 5824476 + ... + 5825035.

It is an arithmetic number, because the mean of its divisors is an integer number (262114020).

Almost surely, 2^3261863080 is an apocalyptic number.

It is an amenable number.

3261863080 is an abundant number, since it is smaller than the sum of its proper divisors (5125785560).

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

3261863080 is a wasteful number, since it uses less digits than its factorization.

3261863080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11649529 (or 11649525 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 3261863080 is about 57112.7225756223. The cubic root of 3261863080 is about 1483.0481189904.

It can be divided in two parts, 326186 and 3080, that added together give a triangular number (329266 = T₈₁₁).

The spelling of 3261863080 in words is "three billion, two hundred sixty-one million, eight hundred sixty-three thousand, eighty".