102463744520 has 64 divisors (see below), whose sum is σ = 238505102640. Its totient is φ = 39589888000.

The previous prime is 102463744519. The next prime is 102463744529. The reversal of 102463744520 is 25447364201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 40748267044 + 61715477476 = 201862^2 + 248426^2 .

It is not an unprimeable number, because it can be changed into a prime (102463744529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143657 + ... + 474936.

Almost surely, 2^102463744520 is an apocalyptic number.

102463744520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102463744520 is an abundant number, since it is smaller than the sum of its proper divisors (136041358120).

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

102463744520 is a wasteful number, since it uses less digits than its factorization.

102463744520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618746 (or 618742 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 102463744520 in words is "one hundred two billion, four hundred sixty-three million, seven hundred forty-four thousand, five hundred twenty".