434422440 has 80 divisors (see below), whose sum is σ = 1460152980. Its totient is φ = 115845120.

The previous prime is 434422393. The next prime is 434422451. The reversal of 434422440 is 44224434.

It is a happy number.

434422440 is a `hidden beast` number, since 434 + 4 + 224 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 415915236 + 18507204 = 20394^2 + 4302^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 63801 + ... + 70280.

Almost surely, 2^434422440 is an apocalyptic number.

434422440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

434422440 is an abundant number, since it is smaller than the sum of its proper divisors (1025730540).

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

434422440 is a wasteful number, since it uses less digits than its factorization.

434422440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134104 (or 134091 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 434422440 is about 20842.8030744427. The cubic root of 434422440 is about 757.3629984564.

Adding to 434422440 its reverse (44224434), we get a palindrome (478646874).

The spelling of 434422440 in words is "four hundred thirty-four million, four hundred twenty-two thousand, four hundred forty".