840053244 has 24 divisors (see below), whose sum is σ = 1962636928. Its totient is φ = 279658800.

The previous prime is 840053243. The next prime is 840053261. The reversal of 840053244 is 442350048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (840053243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35032 + ... + 53919.

Almost surely, 2^840053244 is an apocalyptic number.

It is an amenable number.

840053244 is an abundant number, since it is smaller than the sum of its proper divisors (1122583684).

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

840053244 is a wasteful number, since it uses less digits than its factorization.

840053244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89745 (or 89743 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 840053244 is about 28983.6720240897. The cubic root of 840053244 is about 943.5587312690.

The spelling of 840053244 in words is "eight hundred forty million, fifty-three thousand, two hundred forty-four".