513033253044 has 48 divisors (see below), whose sum is σ = 1308401709888. Its totient is φ = 155500316928.

The previous prime is 513033253037. The next prime is 513033253091. The reversal of 513033253044 is 440352330315.

It is a junction number, because it is equal to n+sod(n) for n = 513033252996 and 513033253014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24531897 + ... + 24552800.

It is an arithmetic number, because the mean of its divisors is an integer number (27258368956).

Almost surely, 2^513033253044 is an apocalyptic number.

It is an amenable number.

513033253044 is an abundant number, since it is smaller than the sum of its proper divisors (795368456844).

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

513033253044 is a wasteful number, since it uses less digits than its factorization.

513033253044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49084784 (or 49084782 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 513033253044 its reverse (440352330315), we get a palindrome (953385583359).

The spelling of 513033253044 in words is "five hundred thirteen billion, thirty-three million, two hundred fifty-three thousand, forty-four".