503146464 has 48 divisors (see below), whose sum is σ = 1323740880. Its totient is φ = 167336960.

The previous prime is 503146447. The next prime is 503146481. The reversal of 503146464 is 464641305.

It is an interprime number because it is at equal distance from previous prime (503146447) and next prime (503146481).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38572 + ... + 49940.

It is an arithmetic number, because the mean of its divisors is an integer number (27577935).

Almost surely, 2^503146464 is an apocalyptic number.

It is an amenable number.

503146464 is an abundant number, since it is smaller than the sum of its proper divisors (820594416).

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

503146464 is a wasteful number, since it uses less digits than its factorization.

503146464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11843 (or 11835 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 503146464 is about 22430.9265078373. The cubic root of 503146464 is about 795.3619458651.

Adding to 503146464 its reverse (464641305), we get a palindrome (967787769).

The spelling of 503146464 in words is "five hundred three million, one hundred forty-six thousand, four hundred sixty-four".