3685335444 has 72 divisors (see below), whose sum is σ = 10740824640. Its totient is φ = 1043626752.

The previous prime is 3685335427. The next prime is 3685335449. The reversal of 3685335444 is 4445335863.

3685335444 is a `hidden beast` number, since 3 + 68 + 533 + 54 + 4 + 4 = 666.

3685335444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3685335444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3685335449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36234 + ... + 93185.

It is an arithmetic number, because the mean of its divisors is an integer number (149178120).

Almost surely, 2^3685335444 is an apocalyptic number.

It is an amenable number.

3685335444 is an abundant number, since it is smaller than the sum of its proper divisors (7055489196).

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

3685335444 is a wasteful number, since it uses less digits than its factorization.

3685335444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129549 (or 129544 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The square root of 3685335444 is about 60706.9637191649. The cubic root of 3685335444 is about 1544.6343006018.

The spelling of 3685335444 in words is "three billion, six hundred eighty-five million, three hundred thirty-five thousand, four hundred forty-four".