502748640 has 192 divisors, whose sum is σ = 1820750400. Its totient is φ = 129411072.

The previous prime is 502748593. The next prime is 502748693. The reversal of 502748640 is 46847205.

502748640 is a `hidden beast` number, since 5 + 0 + 2 + 7 + 4 + 8 + 640 = 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 = 502748595 and 502748604.

It is a congruent number.

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, 123274 + ... + 127286.

It is an arithmetic number, because the mean of its divisors is an integer number (9483075).

Almost surely, 2^502748640 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 502748640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910375200).

502748640 is an abundant number, since it is smaller than the sum of its proper divisors (1318001760).

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

502748640 is a wasteful number, since it uses less digits than its factorization.

502748640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066 (or 4052 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 502748640 is about 22422.0569975192. The cubic root of 502748640 is about 795.1522670251.

The spelling of 502748640 in words is "five hundred two million, seven hundred forty-eight thousand, six hundred forty".