503942064 has 20 divisors (see below), whose sum is σ = 1301850456. Its totient is φ = 167980672.

The previous prime is 503942059. The next prime is 503942081. The reversal of 503942064 is 460249305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5249349 + ... + 5249444.

Almost surely, 2^503942064 is an apocalyptic number.

It is an amenable number.

503942064 is an abundant number, since it is smaller than the sum of its proper divisors (797908392).

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

503942064 is a wasteful number, since it uses less digits than its factorization.

503942064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10498804 (or 10498798 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 503942064 is about 22448.6539462837. The cubic root of 503942064 is about 795.7809469374.

The spelling of 503942064 in words is "five hundred three million, nine hundred forty-two thousand, sixty-four".