250520212011040 has 96 divisors (see below), whose sum is σ = 606515987763504. Its totient is φ = 97727458344960.

The previous prime is 250520212011001. The next prime is 250520212011053. The reversal of 250520212011040 is 40110212025052.

It can be written as a sum of positive squares in 8 ways, for example, as 5789355707664 + 244730856303376 = 2406108^2 + 15643876^2 .

It is a junction number, because it is equal to n+sod(n) for n = 250520212010996 and 250520212011014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10428312 + ... + 24693928.

Almost surely, 2^{250520212011040} is an apocalyptic number.

250520212011040 is a gapful number since it is divisible by the number (20) 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 250520212011040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303257993881752).

250520212011040 is an abundant number, since it is smaller than the sum of its proper divisors (355995775752464).

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

250520212011040 is a wasteful number, since it uses less digits than its factorization.

250520212011040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14268350 (or 14268342 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 250520212011040 its reverse (40110212025052), we get a palindrome (290630424036092).

The spelling of 250520212011040 in words is "two hundred fifty trillion, five hundred twenty billion, two hundred twelve million, eleven thousand, forty".