10447217520 has 80 divisors (see below), whose sum is σ = 33503168160. Its totient is φ = 2689856512.

The previous prime is 10447217509. The next prime is 10447217531. The reversal of 10447217520 is 2571274401.

It is an interprime number because it is at equal distance from previous prime (10447217509) and next prime (10447217531).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 743559 + ... + 757478.

It is an arithmetic number, because the mean of its divisors is an integer number (418789602).

Almost surely, 2^10447217520 is an apocalyptic number.

10447217520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10447217520 is an abundant number, since it is smaller than the sum of its proper divisors (23055950640).

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

10447217520 is a wasteful number, since it uses less digits than its factorization.

10447217520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501082 (or 1501076 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The spelling of 10447217520 in words is "ten billion, four hundred forty-seven million, two hundred seventeen thousand, five hundred twenty".