438265472 has 16 divisors (see below), whose sum is σ = 873107250. Its totient is φ = 219132672.

The previous prime is 438265469. The next prime is 438265493. The reversal of 438265472 is 274562834.

It can be written as a sum of positive squares in only one way, i.e., 373880896 + 64384576 = 19336^2 + 8024^2 .

It is a tau number, because it is divible by the number of its divisors (16).

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 as a sum of consecutive naturals, namely, 1711847 + ... + 1712102.

Almost surely, 2^438265472 is an apocalyptic number.

It is an amenable number.

438265472 is a deficient number, since it is larger than the sum of its proper divisors (434841778).

438265472 is an equidigital number, since it uses as much as digits as its factorization.

438265472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423963 (or 3423951 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The square root of 438265472 is about 20934.7909471291. The cubic root of 438265472 is about 759.5897323988.

The spelling of 438265472 in words is "four hundred thirty-eight million, two hundred sixty-five thousand, four hundred seventy-two".