502442878 has 32 divisors (see below), whose sum is σ = 925977600. Its totient is φ = 199653984.

The previous prime is 502442873. The next prime is 502442887. The reversal of 502442878 is 878244205.

It is a self number, because there is not a number n which added to its sum of digits gives 502442878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502442873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7593 + ... + 32596.

It is an arithmetic number, because the mean of its divisors is an integer number (28936800).

Almost surely, 2^502442878 is an apocalyptic number.

502442878 is a deficient number, since it is larger than the sum of its proper divisors (423534722).

502442878 is a wasteful number, since it uses less digits than its factorization.

502442878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40264.

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 502442878 is about 22415.2376297910. The cubic root of 502442878 is about 794.9910355911.

The spelling of 502442878 in words is "five hundred two million, four hundred forty-two thousand, eight hundred seventy-eight".