507558078328 has 64 divisors (see below), whose sum is σ = 1135348853760. Its totient is φ = 207987284736.

The previous prime is 507558078281. The next prime is 507558078331. The reversal of 507558078328 is 823870855705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3334900 + ... + 3483772.

It is an arithmetic number, because the mean of its divisors is an integer number (17739825840).

Almost surely, 2^507558078328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 507558078328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567674426880).

507558078328 is an abundant number, since it is smaller than the sum of its proper divisors (627790775432).

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

507558078328 is a wasteful number, since it uses less digits than its factorization.

507558078328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151556 (or 151552 counting only the distinct ones).

The product of its (nonzero) digits is 18816000, while the sum is 58.

The spelling of 507558078328 in words is "five hundred seven billion, five hundred fifty-eight million, seventy-eight thousand, three hundred twenty-eight".