438270000 has 200 divisors, whose sum is σ = 1617682176. Its totient is φ = 100128000.

The previous prime is 438269989. The next prime is 438270023. The reversal of 438270000 is 72834.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 208957 + ... + 211043.

Almost surely, 2^438270000 is an apocalyptic number.

438270000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 438270000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808841088).

438270000 is an abundant number, since it is smaller than the sum of its proper divisors (1179412176).

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

438270000 is a wasteful number, since it uses less digits than its factorization.

438270000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 438270000 is about 20934.8990921858. The cubic root of 438270000 is about 759.5923483250.

The spelling of 438270000 in words is "four hundred thirty-eight million, two hundred seventy thousand".