684250942000 has 40 divisors (see below), whose sum is σ = 1654518782592. Its totient is φ = 273700376000.

The previous prime is 684250941821. The next prime is 684250942027. The reversal of 684250942000 is 249052486.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171060736 + ... + 171064735.

Almost surely, 2^684250942000 is an apocalyptic number.

It is an amenable number.

684250942000 is an abundant number, since it is smaller than the sum of its proper divisors (970267840592).

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

684250942000 is a wasteful number, since it uses less digits than its factorization.

684250942000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342125494 (or 342125478 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

Adding to 684250942000 its reverse (249052486), we get a palindrome (684499994486).

The spelling of 684250942000 in words is "six hundred eighty-four billion, two hundred fifty million, nine hundred forty-two thousand".