3538366644 has 96 divisors (see below), whose sum is σ = 8813629440. Its totient is φ = 1102423168.

The previous prime is 3538366631. The next prime is 3538366649. The reversal of 3538366644 is 4466638353.

3538366644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3538366593 and 3538366602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3538366649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3207397 + ... + 3208499.

It is an arithmetic number, because the mean of its divisors is an integer number (91808640).

Almost surely, 2^3538366644 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 3538366644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4406814720).

3538366644 is an abundant number, since it is smaller than the sum of its proper divisors (5275262796).

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

3538366644 is a wasteful number, since it uses less digits than its factorization.

3538366644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1387 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 48.

The square root of 3538366644 is about 59484.1713735679. The cubic root of 3538366644 is about 1523.8221336085.

The spelling of 3538366644 in words is "three billion, five hundred thirty-eight million, three hundred sixty-six thousand, six hundred forty-four".