535639928656 has 40 divisors (see below), whose sum is σ = 1224319844864. Its totient is φ = 222154807680.

The previous prime is 535639928647. The next prime is 535639928689. The reversal of 535639928656 is 656829936535.

It is a junction number, because it is equal to n+sod(n) for n = 535639928591 and 535639928600.

It is a congruent number.

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, 77133615 + ... + 77140558.

Almost surely, 2^535639928656 is an apocalyptic number.

535639928656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

535639928656 is an abundant number, since it is smaller than the sum of its proper divisors (688679916208).

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

535639928656 is a wasteful number, since it uses less digits than its factorization.

535639928656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154274219 (or 154274213 counting only the distinct ones).

The product of its digits is 314928000, while the sum is 67.

The spelling of 535639928656 in words is "five hundred thirty-five billion, six hundred thirty-nine million, nine hundred twenty-eight thousand, six hundred fifty-six".