502663890 has 16 divisors (see below), whose sum is σ = 1206393408. Its totient is φ = 134043696.

The previous prime is 502663879. The next prime is 502663913. The reversal of 502663890 is 98366205.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8377702 + ... + 8377761.

It is an arithmetic number, because the mean of its divisors is an integer number (75399588).

Almost surely, 2^502663890 is an apocalyptic number.

502663890 is an abundant number, since it is smaller than the sum of its proper divisors (703729518).

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

502663890 is a wasteful number, since it uses less digits than its factorization.

502663890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16755473.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 502663890 is about 22420.1670377364. The cubic root of 502663890 is about 795.1075840323.

The spelling of 502663890 in words is "five hundred two million, six hundred sixty-three thousand, eight hundred ninety".