3678321634340 has 48 divisors (see below), whose sum is σ = 8061701945472. Its totient is φ = 1407116933376.

The previous prime is 3678321634279. The next prime is 3678321634343. The reversal of 3678321634340 is 434361238763.

It is not an unprimeable number, because it can be changed into a prime (3678321634343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2017352 + ... + 3380288.

It is an arithmetic number, because the mean of its divisors is an integer number (167952123864).

Almost surely, 2^{3678321634340} is an apocalyptic number.

It is an amenable number.

3678321634340 is an abundant number, since it is smaller than the sum of its proper divisors (4383380311132).

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

3678321634340 is a wasteful number, since it uses less digits than its factorization.

3678321634340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368836 (or 1368834 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 50.

The spelling of 3678321634340 in words is "three trillion, six hundred seventy-eight billion, three hundred twenty-one million, six hundred thirty-four thousand, three hundred forty".