528988908401 has 8 divisors (see below), whose sum is σ = 529874250600. Its totient is φ = 528104298240.

The previous prime is 528988908313. The next prime is 528988908433. The reversal of 528988908401 is 104809889825.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11315853376 + 517673055025 = 106376^2 + 719495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528988908401 is a prime.

It is a super-2 number, since 2×528988908401² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (528988908491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1273115 + ... + 1636703.

It is an arithmetic number, because the mean of its divisors is an integer number (66234281325).

Almost surely, 2^528988908401 is an apocalyptic number.

It is an amenable number.

528988908401 is a deficient number, since it is larger than the sum of its proper divisors (885342199).

528988908401 is a wasteful number, since it uses less digits than its factorization.

528988908401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366019.

The product of its (nonzero) digits is 13271040, while the sum is 62.

The spelling of 528988908401 in words is "five hundred twenty-eight billion, nine hundred eighty-eight million, nine hundred eight thousand, four hundred one".