438842320125 has 512 divisors, whose sum is σ = 929142669312. Its totient is φ = 181209600000.

The previous prime is 438842320121. The next prime is 438842320153. The reversal of 438842320125 is 521023248834.

It is not a de Polignac number, because 438842320125 - 2² = 438842320121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438842320121) by changing a digit.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 3349941310 + ... + 3349941440.

It is an arithmetic number, because the mean of its divisors is an integer number (1814731776).

Almost surely, 2^438842320125 is an apocalyptic number.

It is an amenable number.

438842320125 is an abundant number, since it is smaller than the sum of its proper divisors (490300349187).

438842320125 is a wasteful number, since it uses less digits than its factorization.

438842320125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 42.

Adding to 438842320125 its reverse (521023248834), we get a palindrome (959865568959).

The spelling of 438842320125 in words is "four hundred thirty-eight billion, eight hundred forty-two million, three hundred twenty thousand, one hundred twenty-five".