840414844 has 6 divisors (see below), whose sum is σ = 1470725984. Its totient is φ = 420207420.

The previous prime is 840414829. The next prime is 840414893. The reversal of 840414844 is 448414048.

It is a super-2 number, since 2×840414844² = 1412594220031088672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105051852 + ... + 105051859.

Almost surely, 2^840414844 is an apocalyptic number.

It is an amenable number.

840414844 is a deficient number, since it is larger than the sum of its proper divisors (630311140).

840414844 is a wasteful number, since it uses less digits than its factorization.

840414844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210103715 (or 210103713 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 37.

The square root of 840414844 is about 28989.9093479093. The cubic root of 840414844 is about 943.6940964561.

The spelling of 840414844 in words is "eight hundred forty million, four hundred fourteen thousand, eight hundred forty-four".