438034128 has 60 divisors (see below), whose sum is σ = 1316344320. Its totient is φ = 125151936.

The previous prime is 438034117. The next prime is 438034133. The reversal of 438034128 is 821430834.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90768 + ... + 95471.

It is an arithmetic number, because the mean of its divisors is an integer number (21939072).

Almost surely, 2^438034128 is an apocalyptic number.

438034128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

438034128 is an abundant number, since it is smaller than the sum of its proper divisors (878310192).

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

438034128 is a wasteful number, since it uses less digits than its factorization.

438034128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186264 (or 186251 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 438034128 is about 20929.2648700331. The cubic root of 438034128 is about 759.4560558434.

The spelling of 438034128 in words is "four hundred thirty-eight million, thirty-four thousand, one hundred twenty-eight".