513556056040 has 32 divisors (see below), whose sum is σ = 1156327200000. Its totient is φ = 205275564864.

The previous prime is 513556056031. The next prime is 513556056103. The reversal of 513556056040 is 40650655315.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 513556055984 and 513556056002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4532640 + ... + 4644559.

It is an arithmetic number, because the mean of its divisors is an integer number (36135225000).

Almost surely, 2^513556056040 is an apocalyptic number.

It is an amenable number.

513556056040 is an abundant number, since it is smaller than the sum of its proper divisors (642771143960).

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

513556056040 is a wasteful number, since it uses less digits than its factorization.

513556056040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9178609 (or 9178605 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 513556056040 in words is "five hundred thirteen billion, five hundred fifty-six million, fifty-six thousand, forty".