426224448 has 84 divisors (see below), whose sum is σ = 1315695108. Its totient is φ = 131143680.

The previous prime is 426224441. The next prime is 426224467. The reversal of 426224448 is 844422624.

It is a happy number.

426224448 is a `hidden beast` number, since 426 + 224 + 4 + 4 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 234457344 + 191767104 = 15312^2 + 13848^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426224441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20973 + ... + 35948.

It is an arithmetic number, because the mean of its divisors is an integer number (15663037).

Almost surely, 2^426224448 is an apocalyptic number.

426224448 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

426224448 is an abundant number, since it is smaller than the sum of its proper divisors (889470660).

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

426224448 is a wasteful number, since it uses less digits than its factorization.

426224448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56952 (or 56939 counting only the distinct ones).

The product of its digits is 98304, while the sum is 36.

The square root of 426224448 is about 20645.2039951171. The cubic root of 426224448 is about 752.5686433851.

The spelling of 426224448 in words is "four hundred twenty-six million, two hundred twenty-four thousand, four hundred forty-eight".