528634140000 has 240 divisors, whose sum is σ = 1738822998528. Its totient is φ = 140579136000.

The previous prime is 528634139959. The next prime is 528634140017. The reversal of 528634140000 is 41436825.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22007997 + ... + 22032003.

Almost surely, 2^528634140000 is an apocalyptic number.

528634140000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 528634140000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (869411499264).

528634140000 is an abundant number, since it is smaller than the sum of its proper divisors (1210188858528).

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

528634140000 is a wasteful number, since it uses less digits than its factorization.

528634140000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24407 (or 24384 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 528634140000 its reverse (41436825), we get a palindrome (528675576825).

The spelling of 528634140000 in words is "five hundred twenty-eight billion, six hundred thirty-four million, one hundred forty thousand".