10245404232520 has 16 divisors (see below), whose sum is σ = 23052159523260. Its totient is φ = 4098161692992.

The previous prime is 10245404232517. The next prime is 10245404232527. The reversal of 10245404232520 is 2523240454201.

It can be written as a sum of positive squares in 2 ways, for example, as 9699599478724 + 545804753796 = 3114418^2 + 738786^2 .

It is not an unprimeable number, because it can be changed into a prime (10245404232527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128067552867 + ... + 128067552946.

Almost surely, 2^{10245404232520} is an apocalyptic number.

10245404232520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10245404232520 is an abundant number, since it is smaller than the sum of its proper divisors (12806755290740).

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

10245404232520 is a wasteful number, since it uses less digits than its factorization.

10245404232520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256135105824 (or 256135105820 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 10245404232520 its reverse (2523240454201), we get a palindrome (12768644686721).

The spelling of 10245404232520 in words is "ten trillion, two hundred forty-five billion, four hundred four million, two hundred thirty-two thousand, five hundred twenty".