438365472 has 48 divisors (see below), whose sum is σ = 1153232640. Its totient is φ = 145801472.

The previous prime is 438365429. The next prime is 438365489. The reversal of 438365472 is 274563834.

It is a tau number, because it is divible by the number of its divisors (48).

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41218 + ... + 50750.

It is an arithmetic number, because the mean of its divisors is an integer number (24025680).

Almost surely, 2^438365472 is an apocalyptic number.

It is an amenable number.

438365472 is an abundant number, since it is smaller than the sum of its proper divisors (714867168).

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

438365472 is a wasteful number, since it uses less digits than its factorization.

438365472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10025 (or 10017 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The square root of 438365472 is about 20937.1791796316. The cubic root of 438365472 is about 759.6475004272.

The spelling of 438365472 in words is "four hundred thirty-eight million, three hundred sixty-five thousand, four hundred seventy-two".