503145020264 has 128 divisors (see below), whose sum is σ = 1015308000000. Its totient is φ = 233068492800.

The previous prime is 503145020243. The next prime is 503145020291. The reversal of 503145020264 is 462020541305.

It is a super-2 number, since 2×503145020264² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 503145020264.

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, 479642012 + ... + 479643060.

It is an arithmetic number, because the mean of its divisors is an integer number (7932093750).

Almost surely, 2^503145020264 is an apocalyptic number.

It is an amenable number.

503145020264 is an abundant number, since it is smaller than the sum of its proper divisors (512162979736).

503145020264 is a wasteful number, since it uses less digits than its factorization.

503145020264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531 (or 1527 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 503145020264 its reverse (462020541305), we get a palindrome (965165561569).

The spelling of 503145020264 in words is "five hundred three billion, one hundred forty-five million, twenty thousand, two hundred sixty-four".