438480070117428 has 12 divisors (see below), whose sum is σ = 1023120163607360. Its totient is φ = 146160023372472.

The previous prime is 438480070117381. The next prime is 438480070117429. The reversal of 438480070117428 is 824711070084834.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438480070117429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18270002921548 + ... + 18270002921571.

Almost surely, 2^{438480070117428} is an apocalyptic number.

It is an amenable number.

438480070117428 is an abundant number, since it is smaller than the sum of its proper divisors (584640093489932).

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

438480070117428 is a wasteful number, since it uses less digits than its factorization.

438480070117428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36540005843126 (or 36540005843124 counting only the distinct ones).

The product of its (nonzero) digits is 9633792, while the sum is 57.

The spelling of 438480070117428 in words is "four hundred thirty-eight trillion, four hundred eighty billion, seventy million, one hundred seventeen thousand, four hundred twenty-eight".