3538456812 has 120 divisors (see below), whose sum is σ = 10154730432. Its totient is φ = 1065506400.

The previous prime is 3538456787. The next prime is 3538456819. The reversal of 3538456812 is 2186548353.

3538456812 is a `hidden beast` number, since 3 + 5 + 3 + 84 + 568 + 1 + 2 = 666.

It is a super-2 number, since 2×3538456812² = 25041353220778406688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3538456819) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 577887 + ... + 583977.

Almost surely, 2^3538456812 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 3538456812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5077365216).

3538456812 is an abundant number, since it is smaller than the sum of its proper divisors (6616273620).

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

3538456812 is a wasteful number, since it uses less digits than its factorization.

3538456812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6281 (or 6270 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 3538456812 is about 59484.9292846516. The cubic root of 3538456812 is about 1523.8350773234.

The spelling of 3538456812 in words is "three billion, five hundred thirty-eight million, four hundred fifty-six thousand, eight hundred twelve".