3640354146 has 96 divisors (see below), whose sum is σ = 9319302720. Its totient is φ = 1012464000.

The previous prime is 3640354129. The next prime is 3640354171. The reversal of 3640354146 is 6414530463.

3640354146 is a `hidden beast` number, since 3 + 640 + 3 + 5 + 4 + 1 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 3640354146.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 456796 + ... + 464696.

It is an arithmetic number, because the mean of its divisors is an integer number (97076070).

Almost surely, 2^3640354146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3640354146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4659651360).

3640354146 is an abundant number, since it is smaller than the sum of its proper divisors (5678948574).

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

3640354146 is a wasteful number, since it uses less digits than its factorization.

3640354146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8112 (or 8109 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 3640354146 is about 60335.3474010053. The cubic root of 3640354146 is about 1538.3242222802.

The spelling of 3640354146 in words is "three billion, six hundred forty million, three hundred fifty-four thousand, one hundred forty-six".