840503052 has 36 divisors (see below), whose sum is σ = 2249583336. Its totient is φ = 263687040.

The previous prime is 840503017. The next prime is 840503077. The reversal of 840503052 is 250305048.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686074 + ... + 687297.

It is an arithmetic number, because the mean of its divisors is an integer number (62488426).

Almost surely, 2^840503052 is an apocalyptic number.

It is an amenable number.

840503052 is an abundant number, since it is smaller than the sum of its proper divisors (1409080284).

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

840503052 is a wasteful number, since it uses less digits than its factorization.

840503052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373398 (or 1373393 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 840503052 is about 28991.4306649396. The cubic root of 840503052 is about 943.7271112850.

The spelling of 840503052 in words is "eight hundred forty million, five hundred three thousand, fifty-two".