3265185420 has 144 divisors (see below), whose sum is σ = 11347015680. Its totient is φ = 744501888.

The previous prime is 3265185403. The next prime is 3265185439. The reversal of 3265185420 is 245815623.

It is a super-2 number, since 2×3265185420² = 21322871653961152800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 550189 + ... + 556091.

It is an arithmetic number, because the mean of its divisors is an integer number (78798720).

Almost surely, 2^3265185420 is an apocalyptic number.

3265185420 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 3265185420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5673507840).

3265185420 is an abundant number, since it is smaller than the sum of its proper divisors (8081830260).

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

3265185420 is a wasteful number, since it uses less digits than its factorization.

3265185420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364 (or 6359 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 3265185420 is about 57141.8009866682. The cubic root of 3265185420 is about 1483.5514630471.

The spelling of 3265185420 in words is "three billion, two hundred sixty-five million, one hundred eighty-five thousand, four hundred twenty".