3228510780 has 144 divisors (see below), whose sum is σ = 11245852800. Its totient is φ = 741467520.

The previous prime is 3228510751. The next prime is 3228510809. The reversal of 3228510780 is 870158223.

It is an interprime number because it is at equal distance from previous prime (3228510751) and next prime (3228510809).

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

It is a congruent number.

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, 5290 + ... + 80529.

It is an arithmetic number, because the mean of its divisors is an integer number (78096200).

Almost surely, 2^3228510780 is an apocalyptic number.

3228510780 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 3228510780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5622926400).

3228510780 is an abundant number, since it is smaller than the sum of its proper divisors (8017342020).

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

3228510780 is a wasteful number, since it uses less digits than its factorization.

3228510780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85864 (or 85859 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 3228510780 is about 56819.9857444544. The cubic root of 3228510780 is about 1477.9761080830.

The spelling of 3228510780 in words is "three billion, two hundred twenty-eight million, five hundred ten thousand, seven hundred eighty".