3640357108146 has 128 divisors (see below), whose sum is σ = 8545169571840. Its totient is φ = 1022242939200.

The previous prime is 3640357108121. The next prime is 3640357108153. The reversal of 3640357108146 is 6418017530463.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3640357108095 and 3640357108104.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11146345 + ... + 11468291.

It is an arithmetic number, because the mean of its divisors is an integer number (66759137280).

Almost surely, 2^{3640357108146} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3640357108146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4272584785920).

3640357108146 is an abundant number, since it is smaller than the sum of its proper divisors (4904812463694).

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

3640357108146 is a wasteful number, since it uses less digits than its factorization.

3640357108146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322180.

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 3640357108146 in words is "three trillion, six hundred forty billion, three hundred fifty-seven million, one hundred eight thousand, one hundred forty-six".