513563400044 has 24 divisors (see below), whose sum is σ = 920217654720. Its totient is φ = 250672161536.

The previous prime is 513563400023. The next prime is 513563400047. The reversal of 513563400044 is 440004365315.

It is a junction number, because it is equal to n+sod(n) for n = 513563399977 and 513563400013.

It is not an unprimeable number, because it can be changed into a prime (513563400047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3438077 + ... + 3584340.

It is an arithmetic number, because the mean of its divisors is an integer number (38342402280).

Almost surely, 2^513563400044 is an apocalyptic number.

It is an amenable number.

513563400044 is a deficient number, since it is larger than the sum of its proper divisors (406654254676).

513563400044 is a wasteful number, since it uses less digits than its factorization.

513563400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7022857 (or 7022855 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 513563400044 its reverse (440004365315), we get a palindrome (953567765359).

The spelling of 513563400044 in words is "five hundred thirteen billion, five hundred sixty-three million, four hundred thousand, forty-four".