3261182420 has 192 divisors, whose sum is σ = 8151736320. Its totient is φ = 1086547968.

The previous prime is 3261182417. The next prime is 3261182473. The reversal of 3261182420 is 242811623.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6983027 + ... + 6983493.

It is an arithmetic number, because the mean of its divisors is an integer number (42456960).

Almost surely, 2^3261182420 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 3261182420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4075868160).

3261182420 is an abundant number, since it is smaller than the sum of its proper divisors (4890553900).

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

3261182420 is a wasteful number, since it uses less digits than its factorization.

3261182420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 3261182420 is about 57106.7633472604. The cubic root of 3261182420 is about 1482.9449548649.

The spelling of 3261182420 in words is "three billion, two hundred sixty-one million, one hundred eighty-two thousand, four hundred twenty".