501340534264 has 8 divisors (see below), whose sum is σ = 940013501760. Its totient is φ = 250670267128.

The previous prime is 501340534193. The next prime is 501340534267. The reversal of 501340534264 is 462435043105.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×501340534264² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501340534267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31333783384 + ... + 31333783399.

It is an arithmetic number, because the mean of its divisors is an integer number (117501687720).

Almost surely, 2^501340534264 is an apocalyptic number.

It is an amenable number.

501340534264 is a deficient number, since it is larger than the sum of its proper divisors (438672967496).

501340534264 is a wasteful number, since it uses less digits than its factorization.

501340534264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62667566789 (or 62667566785 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 501340534264 its reverse (462435043105), we get a palindrome (963775577369).

The spelling of 501340534264 in words is "five hundred one billion, three hundred forty million, five hundred thirty-four thousand, two hundred sixty-four".