10226420256 has 48 divisors (see below), whose sum is σ = 28909306944. Its totient is φ = 3146590464.

The previous prime is 10226420251. The next prime is 10226420279. The reversal of 10226420256 is 65202462201.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (10226420251) 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, 4095876 + ... + 4098371.

It is an arithmetic number, because the mean of its divisors is an integer number (602277228).

Almost surely, 2^10226420256 is an apocalyptic number.

10226420256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10226420256 is an abundant number, since it is smaller than the sum of its proper divisors (18682886688).

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

10226420256 is a wasteful number, since it uses less digits than its factorization.

10226420256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8194273 (or 8194265 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 10226420256 its reverse (65202462201), we get a palindrome (75428882457).

The spelling of 10226420256 in words is "ten billion, two hundred twenty-six million, four hundred twenty thousand, two hundred fifty-six".