3647134040 has 64 divisors (see below), whose sum is σ = 9044451360. Its totient is φ = 1312542720.

The previous prime is 3647134039. The next prime is 3647134061. The reversal of 3647134040 is 404317463.

3647134040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3647133988 and 3647134006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47 + ... + 85406.

Almost surely, 2^3647134040 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 3647134040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4522225680).

3647134040 is an abundant number, since it is smaller than the sum of its proper divisors (5397317320).

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

3647134040 is a wasteful number, since it uses less digits than its factorization.

3647134040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85572 (or 85568 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 3647134040 is about 60391.5063564406. The cubic root of 3647134040 is about 1539.2786355599.

The spelling of 3647134040 in words is "three billion, six hundred forty-seven million, one hundred thirty-four thousand, forty".