440226426 has 16 divisors (see below), whose sum is σ = 881735328. Its totient is φ = 146528400.

The previous prime is 440226421. The next prime is 440226431. The reversal of 440226426 is 624622044.

It is an interprime number because it is at equal distance from previous prime (440226421) and next prime (440226431).

It is a super-2 number, since 2×440226426² = 387598612297466952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440226393 and 440226402.

It is not an unprimeable number, because it can be changed into a prime (440226421) 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, 48945 + ... + 57236.

It is an arithmetic number, because the mean of its divisors is an integer number (55108458).

Almost surely, 2^440226426 is an apocalyptic number.

440226426 is an abundant number, since it is smaller than the sum of its proper divisors (441508902).

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

440226426 is a wasteful number, since it uses less digits than its factorization.

440226426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106877.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 440226426 is about 20981.5734872292. The cubic root of 440226426 is about 760.7209375537.

The spelling of 440226426 in words is "four hundred forty million, two hundred twenty-six thousand, four hundred twenty-six".