538028528128 has 80 divisors (see below), whose sum is σ = 1323084692160. Its totient is φ = 212846432256.

The previous prime is 538028528119. The next prime is 538028528137. The reversal of 538028528128 is 821825820835.

It is an interprime number because it is at equal distance from previous prime (538028528119) and next prime (538028528137).

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 5727238 + ... + 5820421.

It is an arithmetic number, because the mean of its divisors is an integer number (16538558652).

Almost surely, 2^538028528128 is an apocalyptic number.

It is an amenable number.

538028528128 is an abundant number, since it is smaller than the sum of its proper divisors (785056164032).

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

538028528128 is a wasteful number, since it uses less digits than its factorization.

538028528128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11547697 (or 11547681 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 52.

The spelling of 538028528128 in words is "five hundred thirty-eight billion, twenty-eight million, five hundred twenty-eight thousand, one hundred twenty-eight".