10245434440520 has 32 divisors (see below), whose sum is σ = 23054458491000. Its totient is φ = 4097777154048.

The previous prime is 10245434440511. The next prime is 10245434440541. The reversal of 10245434440520 is 2504443454201.

It can be written as a sum of positive squares in 4 ways, for example, as 7169402525476 + 3076031915044 = 2677574^2 + 1753862^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11975795 + ... + 12802754.

Almost surely, 2^{10245434440520} is an apocalyptic number.

10245434440520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10245434440520 is an abundant number, since it is smaller than the sum of its proper divisors (12809024050480).

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

10245434440520 is a wasteful number, since it uses less digits than its factorization.

10245434440520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24788897 (or 24788893 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 10245434440520 its reverse (2504443454201), we get a palindrome (12749877894721).

The spelling of 10245434440520 in words is "ten trillion, two hundred forty-five billion, four hundred thirty-four million, four hundred forty thousand, five hundred twenty".