10428840281 has 8 divisors (see below), whose sum is σ = 11043325800. Its totient is φ = 9814468608.

The previous prime is 10428840271. The next prime is 10428840299. The reversal of 10428840281 is 18204882401.

It can be written as a sum of positive squares in 4 ways, for example, as 8500840000 + 1928000281 = 92200^2 + 43909^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10428840281 - 2¹⁰ = 10428839257 is a prime.

It is a super-2 number, since 2×10428840281² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10428840241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224405 + ... + 266861.

It is an arithmetic number, because the mean of its divisors is an integer number (1380415725).

Almost surely, 2^10428840281 is an apocalyptic number.

It is an amenable number.

10428840281 is a deficient number, since it is larger than the sum of its proper divisors (614485519).

10428840281 is a wasteful number, since it uses less digits than its factorization.

10428840281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56923.

The product of its (nonzero) digits is 32768, while the sum is 38.

The spelling of 10428840281 in words is "ten billion, four hundred twenty-eight million, eight hundred forty thousand, two hundred eighty-one".