10442720547 has 12 divisors (see below), whose sum is σ = 17238776880. Its totient is φ = 5967268848.

The previous prime is 10442720527. The next prime is 10442720551. The reversal of 10442720547 is 74502724401.

10442720547 is a `hidden beast` number, since 1 + 0 + 4 + 42 + 72 + 0 + 547 = 666.

It is not a de Polignac number, because 10442720547 - 2¹¹ = 10442718499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10442720507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82878672 + ... + 82878797.

It is an arithmetic number, because the mean of its divisors is an integer number (1436564740).

Almost surely, 2^10442720547 is an apocalyptic number.

10442720547 is a deficient number, since it is larger than the sum of its proper divisors (6796056333).

10442720547 is a wasteful number, since it uses less digits than its factorization.

10442720547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165757482 (or 165757479 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The spelling of 10442720547 in words is "ten billion, four hundred forty-two million, seven hundred twenty thousand, five hundred forty-seven".