684340235150 has 192 divisors, whose sum is σ = 1590931673856. Its totient is φ = 215163648000.

The previous prime is 684340235077. The next prime is 684340235207. The reversal of 684340235150 is 51532043486.

It is a junction number, because it is equal to n+sod(n) for n = 684340235098 and 684340235107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25633709 + ... + 25660391.

It is an arithmetic number, because the mean of its divisors is an integer number (8286102468).

Almost surely, 2^684340235150 is an apocalyptic number.

684340235150 is an abundant number, since it is smaller than the sum of its proper divisors (906591438706).

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

684340235150 is a wasteful number, since it uses less digits than its factorization.

684340235150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26947 (or 26942 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 684340235150 in words is "six hundred eighty-four billion, three hundred forty million, two hundred thirty-five thousand, one hundred fifty".