10447705420 has 24 divisors (see below), whose sum is σ = 21943076400. Its totient is φ = 4178530752.

The previous prime is 10447705417. The next prime is 10447705439. The reversal of 10447705420 is 2450774401.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 143251 + ... + 203509.

It is an arithmetic number, because the mean of its divisors is an integer number (914294850).

Almost surely, 2^10447705420 is an apocalyptic number.

10447705420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10447705420 is an abundant number, since it is smaller than the sum of its proper divisors (11495370980).

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

10447705420 is a wasteful number, since it uses less digits than its factorization.

10447705420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68937 (or 68935 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 34.

The spelling of 10447705420 in words is "ten billion, four hundred forty-seven million, seven hundred five thousand, four hundred twenty".