10447273128 has 32 divisors (see below), whose sum is σ = 26136936000. Its totient is φ = 3479923968.

The previous prime is 10447273117. The next prime is 10447273147. The reversal of 10447273128 is 82137274401.

It is a super-2 number, since 2×10447273128² (a number of 21 digits) contains 22 as substring.

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, 122001 + ... + 189152.

It is an arithmetic number, because the mean of its divisors is an integer number (816779250).

Almost surely, 2^10447273128 is an apocalyptic number.

It is an amenable number.

10447273128 is an abundant number, since it is smaller than the sum of its proper divisors (15689662872).

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

10447273128 is a wasteful number, since it uses less digits than its factorization.

10447273128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312561 (or 312557 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 10447273128 in words is "ten billion, four hundred forty-seven million, two hundred seventy-three thousand, one hundred twenty-eight".