840466672 has 40 divisors (see below), whose sum is σ = 1814950800. Its totient is φ = 374694912.

The previous prime is 840466651. The next prime is 840466717. The reversal of 840466672 is 276664048.

It is a congruent number.

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, 76147 + ... + 86482.

It is an arithmetic number, because the mean of its divisors is an integer number (45373770).

Almost surely, 2^840466672 is an apocalyptic number.

It is an amenable number.

840466672 is an abundant number, since it is smaller than the sum of its proper divisors (974484128).

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

840466672 is a wasteful number, since it uses less digits than its factorization.

840466672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162673 (or 162667 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 840466672 is about 28990.8032313698. The cubic root of 840466672 is about 943.7134951188.

It can be divided in two parts, 8404 and 66672, that added together give a square (75076 = 274²).

The spelling of 840466672 in words is "eight hundred forty million, four hundred sixty-six thousand, six hundred seventy-two".