502872840 has 128 divisors (see below), whose sum is σ = 1682208000. Its totient is φ = 133622784.

The previous prime is 502872827. The next prime is 502872859. The reversal of 502872840 is 48278205.

It is a happy number.

502872840 is a `hidden beast` number, since 502 + 8 + 72 + 84 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 502872795 and 502872804.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 387072 + ... + 388368.

It is an arithmetic number, because the mean of its divisors is an integer number (13142250).

Almost surely, 2^502872840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 502872840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841104000).

502872840 is an abundant number, since it is smaller than the sum of its proper divisors (1179335160).

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

502872840 is a wasteful number, since it uses less digits than its factorization.

502872840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 502872840 is about 22424.8264207329. The cubic root of 502872840 is about 795.2177402871.

The spelling of 502872840 in words is "five hundred two million, eight hundred seventy-two thousand, eight hundred forty".