10285557428 has 6 divisors (see below), whose sum is σ = 17999725506. Its totient is φ = 5142778712.

The previous prime is 10285557383. The next prime is 10285557439. The reversal of 10285557428 is 82475558201.

It can be written as a sum of positive squares in only one way, i.e., 8252268964 + 2033288464 = 90842^2 + 45092^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1285694675 + ... + 1285694682.

It is an arithmetic number, because the mean of its divisors is an integer number (2999954251).

Almost surely, 2^10285557428 is an apocalyptic number.

It is an amenable number.

10285557428 is a deficient number, since it is larger than the sum of its proper divisors (7714168078).

10285557428 is a wasteful number, since it uses less digits than its factorization.

10285557428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2571389361 (or 2571389359 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 47.

The spelling of 10285557428 in words is "ten billion, two hundred eighty-five million, five hundred fifty-seven thousand, four hundred twenty-eight".