3245678820 has 72 divisors (see below), whose sum is σ = 9905715456. Its totient is φ = 860196672.

The previous prime is 3245678801. The next prime is 3245678831. The reversal of 3245678820 is 288765423.

3245678820 is a `hidden beast` number, since 3 + 2 + 4 + 567 + 8 + 82 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25972 + ... + 84651.

Almost surely, 2^3245678820 is an apocalyptic number.

3245678820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3245678820 is an abundant number, since it is smaller than the sum of its proper divisors (6660036636).

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

3245678820 is a wasteful number, since it uses less digits than its factorization.

3245678820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110801 (or 110796 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 3245678820 is about 56970.8593932021. The cubic root of 3245678820 is about 1480.5912569450.

The spelling of 3245678820 in words is "three billion, two hundred forty-five million, six hundred seventy-eight thousand, eight hundred twenty".