10430621256 has 128 divisors (see below), whose sum is σ = 29783116800. Its totient is φ = 3013274880.

The previous prime is 10430621231. The next prime is 10430621287. The reversal of 10430621256 is 65212603401.

10430621256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10430621256² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1922115 + ... + 1927533.

It is an arithmetic number, because the mean of its divisors is an integer number (232680600).

Almost surely, 2^10430621256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10430621256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14891558400).

10430621256 is an abundant number, since it is smaller than the sum of its proper divisors (19352495544).

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

10430621256 is a wasteful number, since it uses less digits than its factorization.

10430621256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5779 (or 5775 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 10430621256 in words is "ten billion, four hundred thirty million, six hundred twenty-one thousand, two hundred fifty-six".