436422444 has 12 divisors (see below), whose sum is σ = 1018319064. Its totient is φ = 145474144.

The previous prime is 436422443. The next prime is 436422449. The reversal of 436422444 is 444224634.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is not an unprimeable number, because it can be changed into a prime (436422443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18184257 + ... + 18184280.

It is an arithmetic number, because the mean of its divisors is an integer number (84859922).

Almost surely, 2^436422444 is an apocalyptic number.

It is an amenable number.

436422444 is an abundant number, since it is smaller than the sum of its proper divisors (581896620).

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

436422444 is a wasteful number, since it uses less digits than its factorization.

436422444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36368544 (or 36368542 counting only the distinct ones).

The product of its digits is 73728, while the sum is 33.

The square root of 436422444 is about 20890.7262678922. The cubic root of 436422444 is about 758.5234744505.

The spelling of 436422444 in words is "four hundred thirty-six million, four hundred twenty-two thousand, four hundred forty-four".