513044220044 has 24 divisors (see below), whose sum is σ = 898956450000. Its totient is φ = 256199676480.

The previous prime is 513044220041. The next prime is 513044220047. The reversal of 513044220044 is 440022440315.

It is an interprime number because it is at equal distance from previous prime (513044220041) and next prime (513044220047).

It is a junction number, because it is equal to n+sod(n) for n = 513044219989 and 513044220016.

It is not an unprimeable number, because it can be changed into a prime (513044220041) 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, 14832482 + ... + 14867030.

It is an arithmetic number, because the mean of its divisors is an integer number (37456518750).

Almost surely, 2^513044220044 is an apocalyptic number.

It is an amenable number.

513044220044 is a deficient number, since it is larger than the sum of its proper divisors (385912229956).

513044220044 is a wasteful number, since it uses less digits than its factorization.

513044220044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39113 (or 39111 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 513044220044 its reverse (440022440315), we get a palindrome (953066660359).

The spelling of 513044220044 in words is "five hundred thirteen billion, forty-four million, two hundred twenty thousand, forty-four".