10255556730 has 64 divisors (see below), whose sum is σ = 25312549248. Its totient is φ = 2657648640.

The previous prime is 10255556627. The next prime is 10255556809. The reversal of 10255556730 is 3765555201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 299889 + ... + 332331.

It is an arithmetic number, because the mean of its divisors is an integer number (395508582).

Almost surely, 2^10255556730 is an apocalyptic number.

10255556730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10255556730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12656274624).

10255556730 is an abundant number, since it is smaller than the sum of its proper divisors (15056992518).

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

10255556730 is a wasteful number, since it uses less digits than its factorization.

10255556730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32751.

The product of its (nonzero) digits is 157500, while the sum is 39.

The spelling of 10255556730 in words is "ten billion, two hundred fifty-five million, five hundred fifty-six thousand, seven hundred thirty".