538756680 has 256 divisors, whose sum is σ = 2032128000. Its totient is φ = 111006720.

The previous prime is 538756679. The next prime is 538756709. The reversal of 538756680 is 86657835.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1838614 + ... + 1838906.

It is an arithmetic number, because the mean of its divisors is an integer number (7938000).

Almost surely, 2^538756680 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 538756680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016064000).

538756680 is an abundant number, since it is smaller than the sum of its proper divisors (1493371320).

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

538756680 is a wasteful number, since it uses less digits than its factorization.

538756680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 520 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 538756680 is about 23211.1326737839. The cubic root of 538756680 is about 813.6998251276.

The spelling of 538756680 in words is "five hundred thirty-eight million, seven hundred fifty-six thousand, six hundred eighty".