438829018830 has 48 divisors (see below), whose sum is σ = 1146929082624. Its totient is φ = 116408391360.

The previous prime is 438829018807. The next prime is 438829018843. The reversal of 438829018830 is 38810928834.

It is a happy number.

438829018830 is a `hidden beast` number, since 438 + 8 + 29 + 0 + 188 + 3 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12746889 + ... + 12781268.

It is an arithmetic number, because the mean of its divisors is an integer number (23894355888).

Almost surely, 2^438829018830 is an apocalyptic number.

438829018830 is an abundant number, since it is smaller than the sum of its proper divisors (708100063794).

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

438829018830 is a wasteful number, since it uses less digits than its factorization.

438829018830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25528361 (or 25528358 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 438829018830 in words is "four hundred thirty-eight billion, eight hundred twenty-nine million, eighteen thousand, eight hundred thirty".