426440050 has 24 divisors (see below), whose sum is σ = 795050676. Its totient is φ = 170173440.

The previous prime is 426439997. The next prime is 426440093. The reversal of 426440050 is 50044624.

It can be written as a sum of positive squares in 6 ways, for example, as 19651489 + 406788561 = 4433^2 + 20169^2 .

It is a super-2 number, since 2×426440050² = 363702232488005000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a junction number, because it is equal to n+sod(n) for n = 426439997 and 426440024.

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 11 ways as a sum of consecutive naturals, for example, 11802 + ... + 31498.

Almost surely, 2^426440050 is an apocalyptic number.

426440050 is a deficient number, since it is larger than the sum of its proper divisors (368610626).

426440050 is a wasteful number, since it uses less digits than its factorization.

426440050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20142 (or 20137 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 426440050 is about 20650.4249350952. The cubic root of 426440050 is about 752.6955154706.

Adding to 426440050 its reverse (50044624), we get a palindrome (476484674).

The spelling of 426440050 in words is "four hundred twenty-six million, four hundred forty thousand, fifty".