28551540010 has 24 divisors (see below), whose sum is σ = 59783429700. Its totient is φ = 9789099264.

The previous prime is 28551540007. The next prime is 28551540011. The reversal of 28551540010 is 1004515582.

It can be written as a sum of positive squares in 2 ways, for example, as 26013496369 + 2538043641 = 161287^2 + 50379^2 .

It is not an unprimeable number, because it can be changed into a prime (28551540011) 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, 29133735 + ... + 29134714.

Almost surely, 2^28551540010 is an apocalyptic number.

28551540010 is an abundant number, since it is smaller than the sum of its proper divisors (31231889690).

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

28551540010 is a wasteful number, since it uses less digits than its factorization.

28551540010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58268470 (or 58268463 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 31.

The spelling of 28551540010 in words is "twenty-eight billion, five hundred fifty-one million, five hundred forty thousand, ten".