513960840774 has 24 divisors (see below), whose sum is σ = 1113619728312. Its totient is φ = 171314448480.

The previous prime is 513960840703. The next prime is 513960840779. The reversal of 513960840774 is 477048069315.

It is a self number, because there is not a number n which added to its sum of digits gives 513960840774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513960840779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74994 + ... + 1016634.

It is an arithmetic number, because the mean of its divisors is an integer number (46400822013).

Almost surely, 2^513960840774 is an apocalyptic number.

513960840774 is an abundant number, since it is smaller than the sum of its proper divisors (599658887538).

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

513960840774 is a wasteful number, since it uses less digits than its factorization.

513960840774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971972 (or 971969 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 513960840774 in words is "five hundred thirteen billion, nine hundred sixty million, eight hundred forty thousand, seven hundred seventy-four".