528988955040 has 2592 divisors, whose sum is σ = 2480063878656. Its totient is φ = 105972572160.

The previous prime is 528988955039. The next prime is 528988955051. The reversal of 528988955040 is 40559889825.

It is a tau number, because it is divible by the number of its divisors (2592).

It is a super-2 number, since 2×528988955040² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 9980923654 + ... + 9980923706.

It is an arithmetic number, because the mean of its divisors is an integer number (956814768).

Almost surely, 2^528988955040 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 528988955040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1240031939328).

528988955040 is an abundant number, since it is smaller than the sum of its proper divisors (1951074923616).

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

528988955040 is a wasteful number, since it uses less digits than its factorization.

528988955040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 63.

The spelling of 528988955040 in words is "five hundred twenty-eight billion, nine hundred eighty-eight million, nine hundred fifty-five thousand, forty".